00322nam a2200133 a 450000500170000002000130001708200210003010000220005124500350007325000120010826000240012030000240014470000200016820251203090717.0  a8501552X  a515.15,bDD, Tho  aThomas, George B.  aCalculus and analytic geometry  a6th ed.  aDelhibNarosac1985  axxv, 1041p., 23 cm.  aFinney, Ross L.