000			00305nam a2200133Ia 4500
008			160710s1993 xx 000 0 und d
020			_a0121821186
082			_a572.7 WU
100			_aWU,ROY ED.
245			_aMETHODS IN ENZYMOLOGY
260			_bACADEMIC _c1993
300			_a806724689
942			_2ddc _cB
999			_c61660 _d61660