00381nam a22001337a 450000500170000000800410001702000080005804100080006608200190007410000210009324500740011426000490018830000100023720260417074652.0260417b        |||||||| |||| 00| 0 eng d  a000  aeng  a621.387bSUN/E  aSunde, Erling D.  aEarth Conduction Effects in Transmission Systemc/ by Erling D. Sunde  aNew York:bDover Publications , Inc.;c1968.  a370p.