00305nam a2200121Ia 4500008004100000040001700041041001200058082001800070100002100088245003400109260002900143300001100172230917s9999||||xx |||||||||||||| ||und||  e105466aMAIN  aEnglish  a512.522 K151M  aKasch, Friedrich 0aRings, modules, and the total  aBostonbBirkhauserc2004  a136 p.