TY  - BOOK
T1  - Defining critical mass: The case in animal research // Daniels, Doug; Nestel, Barry
PP  - Otawa
PB  - International Development Research Centre (IDRC)
YR  - 1993
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.109228
ER  -