TY - BOOK AU - Megill,R.E. TI - An introduction to risk analysis SN - 0878140344 AV - HB615 .M43 U1 - 519.54 PY - 1977/// CY - Tulsa, OK PB - Petroleum Pub. Co. KW - Risk KW - Mathematical models KW - Petroleum industry and trade KW - Gas industry N1 - Includes bibliographical references ER -