TY - BOOK AU - Case,Karl E. AU - Fair,Ray C. TI - Principles of microeconomics SN - 0137103107 AV - HB172 .C36 1989 U1 - 338.5 22nd ed. PY - 1989/// CY - New Jersey PB - Prentice-Hall KW - Microeconomics N1 - Includes index ER -