00362 a2200133 4500001000700000003000400007005001700011008004100028082001900069100002800088245005400116260004800170300001000218066144OSt20210915102648.0  a516b0076 B72C1 aBradley, Christopher J.1 aChallenges in geometrycby Christopher J. Bradley aNew DelhibOxford University of Pressc2008 a205p.