00308nam a2200097Ia 4500008004100000082002500041100001100066245009800077260002800175300000700203140113s9999    xx            000 0 und d  a025.3:05(083.7)   L1  aI.S.I.  aGuide for Abbreviations of words in the titles of periodicals using Roman Alphabet IS:18.1970  a1971bI.S.I.cNew Delhi  a41