TY  - BOOK
AU  - Sidhu, Ajit Singh
TI  - Studies on the field activity and nesting behaviour of some andrenid bees in the Punjab
U1  - T 632.799 S42S 
PY  - 1968///
CY  - Ludhiana
PB  - PAU
KW  - BEES - PUNJAB
ER  -