Kapp, Dan. IMS programming techniques : a guide to using DL/I including the IMS DB/DC environment / Dan Kapp. - 2nd ed. - London : International Thomas Computer press, c1986. - 338 p. ISBN: 1850328730 Subjects--Topical Terms: Data base management.IMS (DL/I) computer systems. LC Class. No.: QA 76.9 / .D3 / K36