00658nam a2200193 a 4500 1/15404 010206s1977 enk 000 0 eng d 15899 DLC GR-PeUP 338.2728 OP OPEC : oil report / ed. by Bryan Cooper. London : Petroleum Economist, 1977. 267 σ. : εικ., χάρτες ; 32 εκ. Oil. Petroleum sales Prices. OPEC. Petrochemicals. INST UNIPILB MAIN 20040709 338.2728 OP 00106623 00106623 NOLOAN 23 2 INST UNIPILB MAIN 20040709 338.2728 OP 00135811 00135811 NOLOAN 23 1