TY - BOOK ED - OPEC. Public Information Department TI - OPEC and future energy markets: the proceeding of the OPEC seminar held in Vienna, Austria, in October 1979 SN - 0-333-31126-4 U1 - 338.28232 21st PY - 1980/// CY - London PB - Macmillan KW - Oil industry; Oil fields; Petroleum conservation N1 - Prepared by the Public Information Department of OPEC ER -