00333nam a2200145Ia 450000500170000000800410001702000180005808200200007610000170009624500180011325000120013126000270014330000080017044000090017820241118164656.0240126s9999    xx            000 0 und d  a9789350519530  a651.4  RAY;1  R  aRayudu, C S. 0aCommunication  a9th ed.  bHimalayaaMumbaic2018  a712  aNULL