000 00213 a2200097 4500
001 699
100 _aWelch,G.B
245 _aWave propagation and antennas
260 _aLondon
_bNostrand
_c1959
090 _c296
_d296
942 _aNUST-CAE
_cM
_c21779
999 _c235772
_d235772