Spillner, Paul World guide to abbreviations: Internationales Worterbuch der Abkurzungem von Organisations, Part 2 - I - R/ Paul Spillner. - 2nd ed. - New York: R.R.Bowker Co., 1971. - xxxii, p.529-959 Acc. No. 03649 ISBN: 3794011988 Subjects--Topical Terms: Abbreviations, English--Dictionaries.Acronyms--Dictionaries.