TY  - BOOK
AU  - Levi Mark
TI  - Mathematical machanic:  Using physical reasoning to solve problems.   
SN  - 9780691140209
U1  - B, P9 
PY  - 2009///
CY  - Princeton
PB  - Princeton Uni. Press        
KW  - Economics
N1  - Bibliography: P 183-84; Appendix: P 161-82
ER  -