00307nam a2200133Ia 4500008004100000041000800041082001300049100001600062245002600078260001500104300000800119365001600127700003000143230718s9999    xx            000 0 und d  aeng  a512bBIR  aBirkhoff G.  aModern Applied Algbra  c1999bCBS   a431  cRs.b120.00  aBirkhoff G. & Bartee T.C.