000 00301nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a574.1925
_bEYZ
100 _aEyzaguirre, Jaime
245 _aChemical modification of enzymes : active site studies
260 _bEllis Horwood
_aChichester
_c1978
999 _c133430
_d133430