Petroleum Extension Service Treating oil field emulsions - Fourth Edition - Austin Texas University, Petroleum Extension Service 1990 - 105 p ISBN: 9780886981372 Subjects--Topical Terms: Process Operation and Maintenance LC Class. No.: 622.338 PET 1990 Dewey Class. No.: 622.338 PET 1990 National Library of Medicine Call No.: 622.338 PET 1990