000			00405 a2200145 4500
020			_a8173911940
041			_aEn
082			_a025.04 _bVAC
100			_aVachani , Jagdish
245			_aModern communication and information systems
260			_c1997 _aNew Delhi _bKanishka Publishers _g1997
300			_c23 cm. _avi,247 p.
650			_aINFORMATION SYSTEMS/ LIBRARY AND INFORMATION SCIENCE
942			_cLN
999			_c21031 _d22578