TY  - BOOK
AU  - Samuelson,A.Paul.
AU  - Nordhaus,D.William
TI  - Economics
SN  - (978)+0070547866
U1  - 330 
PY  - 1989///
CY  - New York
PB  - Mcgraw hill book company
KW  - Economics
N1  - including index
ER  -