000 00285nam a2200121Ia 4500
008 140122s9999 xx 000 0 und d
082 _a574 Hirs C.H
100 _aHirs C H W
245 _aMethods in enzymology Vol.63
260 _b
_c1979
700 _aTimasheff S
942 _cBK
_2ddc
999 _c4353
_d4353