TY - BOOK AU - O'Sullivan,Arthur AU - Sheffrin,Steven M. TI - Microeconomics: principles and tools : activebook SN - 0130082503 AV - HB172 .O8 2003 PY - 2003/// CY - Upper Saddle River, NJ PB - Prentice Hall KW - Microeconomics N1 - Includes access code to "online component of the activebook experience." ER -