000			00299nam a2200121Ia 4500
008			140317s9999 xx 000 0 und d
082			_a575.1
100			_aButler,L.O.
245			_aGenetic transformation and expression.
260			_aIntercept Andover _b _c1989
300			_a574
942			_2ddc _cBK
999			_c11789 _d11789