00537nam a2200157Ia 4500008004100000082001800041100001600059100001500075245009100090260003000181300001000211650001100221942000700232952012500239999001500364060110s9999    xx            000 0 und d  a25.432bSAR/U  aSARDANA, JL  aSEHGAL, RL  aUniversal decimal classification: structure and methodologycJ L Sardana and R L Segal  bEss Ess Publicationc1983  a208p.  a25.432  cGE  00104070aASLFCbASLFCcPG SECTIONd1984-02-24g100.00l2o025.432  SAR/Up44620r2019-11-07 00:00:00s2019-10-28yGE  c7322d7322