TY - BOOK ED - United States. TI - Petro-Canada, the national oil company as a tool of Canadian energy policy PY - 1981///] CY - [Washington, D.C. KW - Petro-Canada KW - Energy policy KW - Canada KW - Petroleum industry and trade KW - Government ownership N1 - 15 Oct. 1981; CRDP Program Historic Shelflist record ER -