000 00213 a2200097 4500
001 698
100 _aWelch,G.B
245 _aWave propagation and antennas
260 _aLondon
_bNostrand
_c1958
090 _c295
_d295
942 _aNUST-CAE
_cM
_c21668
999 _c235771
_d235771