000			00455nam a2200169Ia 4500
999			_c16707 _d16707
005			20220208104922.0
008			180712s9999 xx 000 0 und d
020			_a121791505
082			_a512.4 _bCOH _223
100			_aCOHN, P.M.
245			_aFree rings and their relations _c/ [by] P.M.Cohn
260			_aLondon _bAcademic press _c1971
300			_axvi, 346 p.
500			_aIncludes bibliography, appendix & index.
650			_aRings
942			_cS