Tordo, Silvana. Fiscal systems for hydrocarbons : design issues / Silvana Tordo. - vii, 73 pages : illustrations ; 26 cm. - World Bank working paper, no. 123 1726-5878 ; . - World Bank e-Library. . Includes bibliographical references (p. 71-73). ISBN: 9780821372661 LCCN: 2007281441 Subjects--Topical Terms: Petroleum industry and trade--Government policy. LC Class. No.: HD9560.6 / .T67 2007