000 00293nam a22001337a 4500
003 OSt
008 241003b |||||||| |||| 00| 0 eng d
082 _a595.7
_bB38I
100 _aBeek, S.D.
245 _aInsect photoperiodism
260 _aAc Press
_c1968
300 _a288
942 _2ddc
_cPER
999 _c46145
_d46145