000 00315nam a2200121Ia 4500
008 160306s9999 xx 000 0 und d
041 _aENG
080 _aR500(02)
_bCOM-H
245 _aHandbook of nature-study
260 _c1939
_aNew York
_bComstock publishing associates
300 _a xx, 937p.
942 _cBK
_2udc
999 _c34516
_d34516