TY - BOOK AU - Frank,Robert H. AU - Bernanke,Ben TI - Principles of economics SN - 0072289627 AV - HB171.5 .F734 2004 U1 - 330.157 22 PY - 2004/// CY - Boston, Mass. PB - McGraw-Hill/Irwin KW - Economics N1 - Includes index ER -