Razavi, Hossein The new era of petroleum trading : spot oil, spot-related contrac ts, and futures markets / Hossein Razavi. - Washinton, D.C. : World Bank, c1989. - vi, 120 p. ; 27 cm,. - World Bank technical paper, no. 96 0253-7494 ; . Includes bibliographical references (p. 114-120). ISBN: 0821311999 Subjects--Topical Terms: Petroleum industry and trade.