000			00277nam a2200121 4500
008			160616s 000 0
245			_aRings and homology
100			_aJans, James P
500			_aB3162 K4
942			_cBK _2BK4197
080			_a515.143 JANS
080			_a515.143 JANS
999			_c4197 _d4197