000 00448nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a591.5
_bB393
100 _aBeck Stanley D
245 _aAnimal photoperiodism
_brelationship of daylength to animal growth,development and b
260 _aNew York
_bHolt, Rinehart & Winston
_c1963
300 _a124p.
650 _aPhotoperiodism
942 _cBK
999 _c55756
_d55756