MacCray, Arthur W. Petroleum evaluations and economic decisions/ Arthur W.McCray - Englewood Cliffs, N.J. : Prentice-Hall, 1975 - 448 p. : ill 24cm. ISBN: 0136622136 LCCN: 74-13088 Subjects--Topical Terms: Petroleum industry and trade--FinanceRiskOil fields--Valuation