Scientific original manuscripts
submitted to the consideration of the
Editorial Board should adhere to the following basic
• Page 1: Title, and subtitle of paper. Author’s full
names; academic or professional affiliation, and
complete name of the laboratory or institution
where research was done.
Complete address (city, State or Province, zip code,
country, e-mail, phone number and fax number).
Page 2: Title of paper in Spanish and English. A
list of three or four key words in Spanish or Portuguese and English should be included.
• Page 3 onward: As a rule, full length papers
should be divided into sections headed by a caption:
Introduction, Materials and Methods, Results,
Discussion, Acknowledgements, References, caption
of figures and caption of tables.
Full-length papers should not exceed eight pages.
Text should be typed with PC, on A4 paper, in double-spaced typing with at least 4 cm upper lower,
and left margin. Typescripts should be submitted in
triplicate. Besides the 3 copies of the manuscript,
authors are requested to submit the paper on
diskette (3 1/2") made in one of the next word processing
systems: Word for MS-DOS; Word for
MACINTOSH;Word Perfect for DOS indicating the
program and version used. Revised versions of the
paper, because of referee’s recommendations
should always be accompanied by a new diskette
and 3 printouts of the manuscript.
Short communications should adhere to a similar
format. However it should contain no section headings,
but text is supposed to contain, in a concise
way, every information relevant to the above mentioned
headings (Introduction, Materials and
Methods, etc.). Short communications should not
exceed three pages.
Review papers, updating, and reports on research
in progress should be as concise as can be. Such
articles should not exceed three pages. Their wording
should address a scientifically educated reader-
ship that, however, can be unfamiliar with topics
involved. Review papers, updating, and reports on
research in progress previously requested to authors by the Editorial Board will be privileged.
Book review should have been requested to
authors by the Editor. Authors should sustain their
contention on the book submitted to their attention.
Besides, authors of any book review should submit
the following information: Title of the book in its
original language, full names of authors or editors
of the book, edition number of the book, translator’s
name if any, publisher’s full name, city, volume
number if any, number of pages and publishing
years. The full name and academic or professional
affiliation of the author of any book review should
be stated clearly. Book review should not exceed
Technical communications should refer exclusively
to modifications in scientific methods, determinations
or errors committed in scientific methods, etc.
Technical communications should not exceed two
pages. At the end of a communication, authors full
name and particulars should be clearly identified.
When submitting a full-length paper, authors should
take the following recommendation into account:
• On the upper right angle of every page, the last
name (surname) of author (or the first author)
should be typed next to the corresponding page
number. Pages should also be paginated.
-When referring to chemicals, IUPAC standards
should be preferred.
Organisms should be denominated according to
internationals standards. Gender and species
should be stated unabridged. When using a computer
word processor, authors should use italics.
When using a typewriter, authors should underline.
-Illustrations (photographs, diagrams, etc.) should
be made on top quality materials, the technique of
which should allow illustration to be reproduced
without special treatments whatsoever. It is advisable
that illustrations be the same size as in Acta
page. As regards illustrations that must be
reduced, authors should see to it that letters, figures,
and/or any other element in illustration be bigger-
sized on the original so that such letters, figures
or elements be still clearly readable once illustration
has been reduced. Illustrations should also
be sent in triplicate (one original and two copies).
On the reverse of illustration the following elements
should be written with a soft lead pencil: Figure
corresponding to illustration, last name (surname)
of author (or first author). An arrow should point out
the upper pan of illustration. Captions to illustration
should be typed on a separated sheet.
Authors should be aware that any extra change
caused by the printing of illustrations will be levied
for each illustration.
-Tables and captions thereof should be submitted
on separate sheets. Each page should be paginated
with Arabic numerals, according to the order in
which tables appear in article.
-Literature references in the text should be given at
the appropriate places by numbers between
brackets. For example: "Isoenzymes separation
was performed by electrophoresis according to a
technique developed by Diestz and Lubrano (4)".
When referring to an article written by more than
one author, the last name (surname) of the first
author will be followed by "et al." For example:
"Castañé et al. (5) have been the first researches in..."
• Literature references should be listed under the
heading "References". References should be arranged
according to the numbers given to citations in the text
of article. Format of references is as follows:
• A paper published in a journal.
Malla Reddy P. and Bashamohideen M. (1989)
Fenvalerate and Cypermethrin induced changes in
the haematological parameters of Cyprinus carpio.
Acta Hidrochim. Hydrobio. 17 (1), 101-107.
• a book: Dix H. M. (1981) Enviromental pollution.
John Wiley & Sons., New York, p. 286.
A bridged name of journals should be the abridged
name that a journal uses.
• Any exceptional modifications to the above mentioned
instructions that authors should request will
be submitted to the attention of the Editor.
Proofs will be sent to author whose address has
been stated in paper. Author should review proof
and airmail proof back to the Editor as soon as
possible (with in 48 hours of receiving proof, in the
Author, or first author will receive 10 off prints at no
If author or authors request extra of prints, a
charge will be levied.