TY  - BOOK
AU  - CLARK R. L.[ET ....... ETAL..]
TI  - THE ECOLOGY OF INSECTS POPULATIONS IN THEORY AND PRACTICE
SN  - 0 412 12270 X
AV  - 632/CLA 3
U1  - 632/CLA 
PY  - 1967///
CY  - LONDON
PB  - CHAPAN
ER  -