TY  - BOOK
AU  - Dabach,Paul, Rosen, David.
AU  - x
TI  - Biological control by natural enemies: x
SN  - 0521391911
U1  - 632.96/D286b 
PY  - 1991///
CY  - Cmbridge ; New York
PB  - Cambridge University Press
KW  - Insect pests - Biologicl control
KW  - Weeds -Biological control
N1  - Includes
ER  -