000 00273nam a2200133Ia 4500
008 200512s9999 xx 000 0 und d
082 _a612.015
100 _aCohen
245 0 _aMicrobial biochemistry
250 _a_
260 _bTbh
440 _v_
650 _aBiochem
999 _c47031
_d47031