000 00331nam a2200133Ia 4500
008 160710s1987 xx 000 0 und d
020 _a0121820556
082 _a572.7 WU REF
100 _aWU,R & GROSSMAN,L ED.
245 _aMETHODS IN ENZYMOLOGY: RECOMBINANT DNA
260 _bACADEMIC
_c1987
300 _a576
942 _2ddc
_cB
999 _c61475
_d61475