000 00393nam a2200169Ia 4500
008 230524s9999 xx 000 0 und d
050 _aQH303.2.E4
100 _aEnger, Eldon D.
245 0 _aConcepts in biology
260 _aMichigan
260 _c1991
300 _axiii, 535p.
300 _c28 cm.
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c12767
_d12767