Autor
prev ...
Alberto de Azcona, Catalina,
1
Alcala-Zamora y Castillo, Niceto
1
Alcántara Sáenz, Manuel
1
Alcántara, Manuel
1
Aldaba-Lim, Estefania, 1917-2006,
1
Alexine, Anatole, 1924-,
1
Alfaro Molina Teresita
1
Alfaro Pérez, Jorge
1
Alfaro Pérez, Jorge,
1
Alfaro Rodríguez, José Miguel
1
Alfaro, José Miguel
1
Alfaro, Marielos
2
Allen, Lochie Jo
1
Almeida, Pedro R.
1
Alonso, Jorge,
1
Alpízar Corella, Karina
1
Alto Comisionado de las Naciones Unidas para los Refugiados (ACNUR)
2
Alvar, Manuel, 1923-2001
1
Alvarez Cobelas, M.
1
Alvarez Desanti, Antonio
1
Alvarez Melgar, José Antonio
1
Alvarez Patiño, Ezequiel
1
Alvariño M., Pilar
2
Alves, Rubem
1
Alvim Júnior, Pedro
2
Amador, José Luis
1
Amato Michelli, Salvador
1
American Association for the Advancement of Science
1
American Association of Zoo Veterinarians : Annual Conference
1
American Association of Zoo Veterinarians : Annual Conference (2006 sept. 19-24, Tampa, Flo.)
1
American Chemical Society
1
American Chemical Society National Meeting (204 th : ago.192 : Washington D.C. )
1
American Chemical Society. Division of Agricultural an d Food Chemistry
1
American Chemical Society. Division of Agricultural and Food Chemistry
1
American Chemical Society. División of Polymeric Material
1
American Peptide Symposium (1st. : 1968 : Yale)
1
American Society of Agricultural and Biological Engineers
1
Amighetti, Francisco
1
Ancora
2
Anderson, Chris,
1
Andolfi, Maurizio
1
Annual Conferece (5th. : 1990 jun.2-5 : Ontario)
1
Annual Conference of the American Association of Zoo Veterinarians
2
Antrim, Patricia
1
Aparicio, Daniela,
1
Aparicio, Fernando.,
1
Appel, Vibeke
1
Aquín, Nora
2
Aranguren, José Luis,
1
Arauco, Fernando
1
más ...