TY  - BOOK
AU  - Clark L R
AU  - Hughes R D
AU  - Morris R F
TI  - Ecology of insect populations in theory and practice
U1  - 595.717 
PY  - 1972///
CY  - London
PB  - Methuen
KW  - Insect control
KW  - Insect pests-control
KW  - Insect populations
KW  - Insects
ER  -