00647nam a2200181 4500 1/2813 940112s1989 enk i 001 0 eng d 2998 DLC GR-PeUP 330 BE Bernard, Georges. Principia economics / by Georges Bernand. xix,214p.; 24cm. Theory and decision library. Series A. Philosophy and methodology of the Social Sciences ; Index. Economics. Theory and decision library. Series A. Philosophy and methodology of the Social Sciences. INST UNIPILB MAIN 20040709 330 BE 00121550 00121550 LOAN 0 1