00281nam a2200121Ia 4500008004100000082001000041082001000051100002000061245003000081260001100111260002800122260000900150230118s9999||||xx |||||||||||||| ||und||  a516.3  bNAR/A  ashantibnarayan 0aanalytical solid geometry  abombay  bs.chand&company pvt ltd  c1965