000 00358nam a2200157Ia 4500
008 170101s1979 xx 000 0 und d
082 _a574 C39C
100 _aCLARK, Mary E
245 0 _aContemporary biology
250 _a2nd ed
260 _bPhiladelphia, U.S
_c1979
300 _a665,85p
650 _aBIOLOGY
653 _aBIOLOGY
942 _2ddc
_cB
999 _c81777
_d81777