Weir, Maurice D. Thomas' calculus / Maurice D. Weir, Joel Hass, George B. Thomas. - 12th ed. - Upper Saddle River, NJ : Pearson Education, 2009. - xvi, 988 p . : ISBN: 9780321587992 Subjects--Topical Terms: Calculus.--- Dewey Class. No.: 515 / Th;12