000 00286 a2200121 4500
245 _aBiology its principles and implications
_hText
020 _a071670028x
100 _aGarret Hardin
100 _aCarl Bajema
650 _aBIOLOGY
005 20191021095905.0
260 _bW Freeman
_c1937
084 _aQH308.H35
999 _c12808
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