TY - BOOK AU - O'Sullivan,Arthur AU - Sheffrin,Steven M. TI - Microeconomics: principles and tools SN - 0131536060 AV - HB172 .O8 2005 U1 - 338.5 OSU 22 PY - 2005/// CY - Upper Saddle River, NJ PB - Pearson Prentice Hall KW - Microeconomics N1 - Includes bibliographical references and index ER -