Joint conference on measurement and standards for recycled oil/system performance and durability / proceedings of joint Conference was held at Gaithersburg on 1979 - Washington, D.C. : U.S. Government Printing Office, 1980 - ix, 354 p. ; 26 cm. Subjects--Topical Terms: American Revolution Bicentennial, 1976 Dewey Class. No.: 973.3