TY  - BOOK
AU  - x, x
AU  - Debach,Paul
TI  - Biological control of insect pests & weeds,: x
SN  - x
U1  - REF632.96/BIO 
PY  - 1965///
CY  - Chapaman & Hall
PB  - Lond.
KW  - Pests - Biological control
KW  - Weeds
N1  - x
ER  -