00627nam a22001931 4500 1/17445 210201s1984 enk 0110 eng d 0879912537 17967 DLC GR-PeUP 330 WA Walras, Leon, 1834-1910. Elements of pure economics : or the theory of social wealth / Leon Walras ;trans. William Jaffe Philadelphia : ORION editions, 1984 620 p. ; 23 cm. Includes index Economics. Jaffe, William, trans. INST UNIPILB MAIN 20040709 330 WA 00135977 00135977 LOAN 0 1