Okvirk, G.O Art fundamentals theory and practice Otto G. Ocrivick, Robert E. Stinsen, Philip R. Wigg. Robert O. Bone and David Cayton - Boston: Mcgraw Hill. 2001 - viii, 310p.: ill.; 27cm. Includes index and bibliography ISBN: 047240700X LC Class. No.: DUCE N7430.A697