000			00372nam a22001337a 4500
008			150702b xxu||||| |||| 00| 0 eng d
020			_a0716709724
050			_aQH302 _bH38
100			_aHARDIN, Garrett. _912691
245			_a39 Steps to biology _cGarrett Hardin.
260			_aSan Francisco. _bW. H. Freeman. _c1968.
300			_aviii, 344p. _bill. _c28cm.
942			_2lcc _cBK
999			_c8565 _d8565