000			00474nam a2200157 4500
008			151003b xxu||||| |||| 00| 0 eng d
020			_a0879011866
050			_aQH 308.2 .C87 1984
100			_aCurtis, Helena. _d1984.
245			_aBiology/ _cHelena Curtis.-
250			_a4th ed.:
260			_aNew York; _bWorth publishers, _c1984.
300			_axxviii, 1159 p. : ill. _bIncludes index.
650			_aBiology.
942			_2lcc _cBOOKS _hQH 308.2 .C87 1984
999			_c7166 _d7166