000			00389nam a2200133Ia 4500
008			140208s9999 xx 000 0 und d
020			_a00335770
044			_aU.S.A.
100			_aWillier, B.H., ed.
245			_aQuarterly Review of Biology. v.25, 1950 _cedited by B.H. Willier
260			_bWillians and Wilkins _aBaltinore _c1950
300			_av.25, iii, 433 p.; 26cm.
942			_2udc _cP
999			_c10023 _d10023