00505nam a2200169 a 450000500170000002000150001708200170003210000170004924500490006626000420011530000260015769000330018396400160021699700130023299900190024595200710026420251203110908.0  a817000165X  a025.431bSEH  aSehgal, R.L.  aIntroduction to dewey decimal classification  aNew DelhibEss Ess Publicationsc2002  aix, 294 p.c24 cm. HB  aDweey decimal classification  bcdefg_  a127714 C  c106548d106548  00104070aPUbPUd2008-02-13g460.00l0o025.431 SEHp127714yBK