SAS/IMS-Dl/I User's guide : version 1, release 3. - 1984 edition. - Cary North Corolina : SAS Institute / 1984. - 193 p. : ill., (some col.) ; 28 cm. ISBN: 0917382560 Subjects--Topical Terms: SAS (Computer system).IMS (DL/1) Computer System.Data base management.