TY  - BOOK
AU  - Altman, Philip L.
AU  - Dittmer, Dorothy S.
TI  - Environmental biology
T2  - Biological handbooks
U1  - 574.52 
PY  - 0000///196
CY  - Bethesda
PB  - Federation of American Societies for Experimetnal Biology
KW  - Ecología
KW  - Medio ambiente
ER  -