TY  - BOOK
AU  - Michael,Prema
TI  - Ecological methods for field and laboratory investigations / 
SN  - 0074517651
U1  - 577.078 
PY  - 1984///(rep1990)
CY  - New Delhi : 
PB  - Tata McGraw-Hill Publishing , 
KW  - ECOLOGY-METHODOLOGY
N1  - NULL
ER  -