TY  - BOOK
AU  - Singh, Namram Sushindrajit
AU  - Dixit, A. S.
TI  - Role of photoperiod in timing seasonal breeding in the tree sparrow, Passer montanus (Linnaeus)
U1  - 598.887 
PY  - 2012///
CY  - Shillong
PB  - Department of Zoology, NEHU
ER  -