TY - BOOK AU - Frank,Robert H. AU - Bernanke,Ben TI - Principles of economics SN - 0072289627 AV - HB171.5 .F851 2001 U1 - 330 21 PY - 2001/// CY - Boston, Mass. PB - McGraw-Hill/Irwin KW - Economics N1 - Includes index ER -