000 00297nam a2200133Ia 4500
008 160316s1968 xxu||||| |||| 00| 0 eng d
020 _a
100 _aBeck,Stanley D
245 _aInsect Photoperiodism
250 _a
260 _aNEW YORK
_bACADEMIC PRESS
_c1968
300 _a288
700 _a
_a
999 _c20217
_d20217