000 00291nam a2200121Ia 4500
008 140317s9999 xx 000 0 und d
082 _a595.7
100 _aFree,John B.
245 _aInsect pollination of crops.
260 _aLondon
_bAcademic Press
_c1970
300 _a544
942 _2ddc
_cBK
999 _c7218
_d7218