000 00402pam a2200145a 44500
008 160408bc1987 xxu||||| |||| 00| 0 eng d
020 _a0863800602
082 _a621.380283
_bN145h
100 _aNakano, Hisamatsu
245 1 _aHELICAL AND SPIRAL ANTENNAS
_cA NUMERICAL APPROACH
260 _aLetchworth
_bResearch Studies Pr.
_cc1987
300 _axxi,261
964 _gCIRC
997 _aA103050 C
999 _c315852
_d315852