TY  - BOOK
AU  - _Nordhaus William D 
TI  - _Economics_ 19 th ed 
SN  - 9.7800707007e+012
AV  - HB 171.5 .S25 2010  
CY  - New Delhi Tata McGraw 2010 
KW  - _Economics
N1  - Include index
ER  -