000 00298nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a621.38215 MAR
100 _aMARK (Jon. W)
245 _aWireless Communication and Networking
260 _aNew Delhi
_bPEARSON
365 _cRS
999 _c181428
_d181428