000 00335 a2200133 4500
003 BD-SaJUCL
040 _aBD-SaJUCL
_cBD-SaJUCL
_dBD-SaJUCL
942 _2ddc
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100 1 _aLAMONT, H.R.L.
_922432
245 1 0 _aWave guides
260 _aLondon,
_bMethuen,
_c1950.
300 _avii, 118p.
509 _aPolash_PDF_Document.pdf_page_140
999 _c56875
_d56871