Aphid technology with special reference to the study of aphids in the field
Van Emden, H.F.
Aphid technology with special reference to the study of aphids in the field - London Academic Pr. 1972 - 344
PLANT - LICE
FIELD CROPS - - DISEASES AND PESTS PLANT - LICE
632.752 V25A
Aphid technology with special reference to the study of aphids in the field - London Academic Pr. 1972 - 344
PLANT - LICE
FIELD CROPS - - DISEASES AND PESTS PLANT - LICE
632.752 V25A