000			00314nam a2200157Ia 4500
082			_a512 _bM131.TR
100			_aMcCoy, N. H.
245			_aTheory of rings _b
260			_aNew York _bMacmillan _c1964
300			_ax, 161p.
500			_a
690			_a
700			_a
964			_a _b _c _d _e _f _g
921			_a9922
999			_c9922 _d9922