TY  - BOOK
AU  - Brar, Harnek Singh
TI  - Studies on the field activities of apis florea Fab. and Andrena ilerda Cam. with relation to some brassica crops
U1  - T 632.7 B79S 
PY  - 1968///
CY  - Ludhiana
PB  - PAU
KW  - INSECTS, INJURIOUS AND BENEFICIAL
ER  -