TY  - BOOK
AU  - Curtis,Helena
TI  - Biología
SN  - 9500603519
AV  - QH308 .C85 1985
PY  - 1985///
CY  - Buenos Aires 
PB  - Médica Panamericana 
KW  - Biology
KW  - Bioloia
KW  - bidex
N1  - Includes index; Translation of: Biology
ER  -