00311nam a2200109 a 450000500170000002000150001708200160003210000200004824500680006826000440013630000210018020251203090512.0  a071008837X  a330.01bLEV  aLevine, David P  aEconomic theory: V1 : the elementary relations of economic life  aNew Delhi: Routledge & Kegan Paulc1978  axii, 337p.c22cm