000			00336nam a2200133Ia 4500
008			241225s9999 xx 000 0 und d
020			_a0
082			_a512.5 _bSIN
100			_aSingal, Asha Rani.
245		0	_aAlgebraic structures
260			_aMeerut : _bRastogi Pub, _c1985.
365			_a57.50
650			_aMathematical Sciences
999			_c11516 _d11516