00358 a2200133 4500020001500000082001300015100001800028245006000046260004400106300002100150650001600171700001900187700001800206 a0387947701 a510bHIL aHilton, Peter aMathematical reflections bin a room with many mirrors aNew YorkbSpringer - Verlagc1997g1997 axv, 351p.c25cm. aMATHEMATICS aPedersen, Jean aHolton, Derek