TY - BOOK AU - Mansfield,Edwin TI - Essential microeconomics: principles, cases, problems SN - 039397040X (pbk.) AV - HB172 .M349 1998 U1 - 338.5 22 PY - 1998/// CY - New York PB - Norton KW - Microeconomics N1 - Includes bibliographical references and index ER -