000			00393nmm a2200133Ia 4500
008			230201s9999||||xx |||||||||||||||||und||
020			_a9780387774879
100			_aGeorge Grätzer
245		0	_aUniversal Algebra
250			_a2nd ed. 1979. 2nd printing 2008
260			_bSpringer New York _c1979
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-0-387-77487-9
999			_c22222 _d22222