Entomophagous insects
Clausen, C.P.
Entomophagous insects (Book) - New York McGraw-Hill 1940 - 688 p. 24 cm.
Insects, Injurious and beneficial Insects--Biology
595.792 CLA / 12360
Entomophagous insects (Book) - New York McGraw-Hill 1940 - 688 p. 24 cm.
Insects, Injurious and beneficial Insects--Biology
595.792 CLA / 12360