TY  - BOOK
AU  - Virk,Kal S.
ED  - ESSO Petroleum Canada
ED  - World Petroleum Congress (13th. : 1991 : Buenos Aires)
ED  - ESSO Petroleum Canada
TI  - Synergism of refinery wastes in biotreatment
U1  - 060-665.5 W938 1991 
ER  -