000 002760000a22001210004500
245 _aElectromagnetic distance measurement
100 _aBurnside, C.D.
260 _aLondon
_bLockwood
_c1971
300 _a117 p., ill.
080 _a528.4
_bB8
041 _aEN
942 _cBK
999 _c101348
_d101348