TY - BOOK AU - Yaohua,Fan AU - Guanghua,Yang AU - Guanghua,Yang ED - Petroleum University (Beijing) ED - World Petroleum Congress (15th. : 1997 : Beijing) ED - Petroleum University (Beijing) TI - A novel deasphalting process of petroleum residue U1 - 660-665.5 W938 1997 N1 - Incluído en : Block III - Downstream ER -