000 00301nam a2200133Ia 4500
008 160710s1986 xx 000 0 und d
020 _a0121820106
082 _a572.7 JAN
100 _aJOHN,J
245 _aMETHODS IN ENZYMOLOGY
260 _bACADMIC PRESS
_c1986
300 _a947
942 _2ddc
_cB
999 _c60598
_d60598