TY  - BOOK
T1  - The introductory biological sciences in the traditional liberal arts college
A1  - Nelson, George
PP  - New York
PB  - Columbia University
YR  - 1931
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.49848
OP  - 135
ER  -