TY  - BOOK
AU  - Mansfield, Edwin
TI  - Principles of Microeconomics
SN  - 0393954889
AV  - HB 172 .M36 1986 
PY  - 1986///
CY  - NewYork
PB  - W.W. Norton & Company, 
KW  - Microeconomics
ER  -