4 treff

Biological control by natural enemies
Paul DeBach, David Rosen
Bok Engelsk 1991
Species of Aphytis of the world (Hymenoptera: Aphelinidae)
by David Rosen and Paul DeBach
Bok Språk ikke angitt 1979
Biological control by natural enemies
Paul DeBach
Bok Engelsk 1974
Biological control of insect pests and weeds
edited by Paul DeBach ; assistant editor ...
Bok Engelsk 1964