00247nam a2200109Ia 4500008004100000041000800041100001500049245002900064250001000093260002600103300000800129211209s1978    xx            000 0 und d  aeng  aSHARMA R P  aMODREN PHYSICS WIRELESS   a2 ed.  aMEERUTbRAJHANSc1978  a176