=ADD= =author= Lam;T.Y. =title= A First Course in Noncommutative Rings =note= copy 1 =year= 1991 =publisher= Springer =series= Graduate Texts in Mathematics =owner= 2 =reftype= 1 =source= 3 =ADD= =author= Lam;T.Y. =title= A First Course in Noncommutative Rings =note= copy 2; Uni inventory 13018 =year= 1991 =publisher= Springer =series= Graduate Texts in Mathematics =owner= 3 =reftype= 1 =source= 3 =ADD= =author= Wechler;W. =title= Universal Algebra for Computer Scientists =year= 1992 =publisher= Springer =series= EATCS Monographs on Theoretical Computer Scientists =owner= 2 =reftype= 1 =source= 3