00258nam a2200097Ia 450000500170000000800410001710000270005824500330008526000340011830000080015220260413100440.0230516s9999||||xx |||||||||||||| ||und||  aBhattacharya, Indrajit 3aAn Approach to Communication  bDelhi Dhanpat Rai &Sonsc2007  a340