TY - DATA AU - Koliander,W. AU - Kunar-Schreferl,G. AU - Kunar-Schreferl,G. ED - World Petroleum Congress (16th. : 2000 jun. 11-15 : Calgary, Alberta, Canada) TI - The Metal Content of Crude Oils and Its Influence on Crude Oil Processing U1 - CD W938 1 0013960 ER -