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1
Calculus / Dale Varberg, Edwin J. Purcell.
Upper Saddle River, N.J. : Prentice Hall, c1997.
1 v. (various pagings) : ill. (some col.) ; 26 cm.
2
Calculus with analytic geometry / Edwin J. Purcell, Dale Varberg.
Englewood Cliffs, N.J. :
xiv, 864 p., [1] leaf of plates : ill. (some col.) ; 26 cm.