TY  - BOOK
AU  - Maekauer, Manfred, ed.
TI  - Critical issues in biological control
U1  - 632.937 N0 
PY  - 1990///
CY  - Hants (UK)
PB  - Intercept
KW  - Edited  Manfred Mackauer, Lester E.Ehler and Jens Roland.
KW  - Ehler, Lester, E., ed.
KW  - Roland, Jens, ed.
KW  - Biological control
ER  -