Varian, Hal R. Intermediate microeconomics : a modern approach / Hal R. Varian. - 5th ed. - New York : W. W. Norton, c1999. - xviii, 662p. : ill. ; 23 cm. illustrations ; cm. Includes index. ISBN: 0393973700 Subjects--Topical Terms: Microeconomics LC Class. No.: HB172 / V42 1999