TY  - BOOK
AU  - Manfred Mackauer
AU  -  Lester E. Ehler  Jens Roland
TI  - Critical issues in biological control
SN  - 0-946707-197
U1  - 632.96 
PY  - 1990///
CY  - Andover
PB  - Intercept
N1  - Manfred Mackauer; Lester E. Ehler & Jens Roland: Critical issues in biological control.  Andover.  Intercept, 1990. 0-946707-197--(632.96MAC)
ER  -