TY  - BOOK
AU  - Samuelson,Paul A.
AU  - Nordhaus,William D.
TI  - Economics / 
SN  - 0073511293
U1  - 330/ S193e 23
PY  - 2012///
CY  - New York
PB  - McGraw-Hill., 
KW  -  Economics.
KW  - Economia Politica
N1  - Includes bibliographical reference and index; BBA
ER  -