Autor
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Alfonso Salvador Estela
1
Alonso Gamboa, José Octavio
1
Alonso Javier, Luis
1
Alonso M. Manuel
1
Alonso, Paúl
1
Altamirano Duran Antonio
1
Altamirano M. Roberto
1
Alvarado Irene J.
1
Alvarado Lozano, Jesus
1
Alvarado Lozano, Jesus E.
2
Alvarado Lozano, Jesus Ernesto
1
Alvarado O, Alfonso
1
Alvarado P, Ruben
1
Alvarado R. Martín
1
Alvarado Roca Xavier
1
Alvarado, Hernán
2
Alvarenga Luis Alonso
1
Alvarez Araya, Oscar
1
Alvarez, Servando A.
1
Amat Pedro German
1
Amaya Amador, Ramón
1
America Cohalla Rosa
1
American Alliance for Health, Physical Education, Recreation and Dance
1
American Association for Counseling and Development
1
American Association of Geodetic Surveying
1
American Chemical Society
5
American Chemical Society. Division of Chemical Education
1
American College of sport medine
1
American Dairy Science Association
1
American Dental Association
1
American Economic Association
2
American Fisheries Society
1
American Institute of Nutrition
1
American Institute of Physics
1
American Library Association
2
American Marketing Association
1
American Medical Association
1
American Meteorological Society
3
American Museum of Natural History
1
American Phytopathological Society
1
American Political Science Association
1
American Psychological Associa
1
American Railway Engineering Association
1
American Society for Biochemistry and Molecular Biology (Estados Unidos)
1
American Society for Horticultural Science
1
American Society for Testing Materials
1
American Society for microbiology
1
American Society of Agricultural Engineers
1
American Society of Agronomy
3
American Society of Animal Science
1
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