00423nam a2200133 a 450000500170000002000150001708200200003210000220005224500650007426000680013930000220020749000420022970000180027120251203110112.0  a0883850281  a512.12,D,steb_  aStein, Sherman K.  aAlgebra and tilingbHomomorphisms in the Service of geometry  aWashington D.C.bThe mathematical Association of America,c1994  axii,207p.c23 cm.  aThe Carus mathematical monographsd25  aSzabo, Sandor