000 00548nam a2200205Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aQP82.B4
100 _aBeck, Stanley
245 0 _aAnimal photoperiodism; relationship of daylength to animal growth, development and behavior
260 _aNew York
260 _bHolt, Rinehart and Winston
260 _c1963
300 _a124p.
300 _c20cm.
650 _aPhotoperiodism
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c24880
_d24880