000 00349nam a2200157Ia 4500
008 170101s1979 xx 000 0 und d
082 _a574 C53
100 _aENGER, Eldon D
245 0 _aConcepts in biology
250 _a2nd ed
260 _bDubuque, U.S
_c1979
300 _a512p
650 _aBIOLOGY
653 _aBIOLOGY
942 _2ddc
_cB
999 _c80952
_d80952