Title :
Sub-Audio Frequency Instrumentation in Seismographic Work
Author_Institution :
Chief of Geophysics Research Section, Humble Oil & Refining Company, Houston, Texas
fDate :
5/1/1952 12:00:00 AM
Keywords :
Earth; Electromagnetic scattering; Frequency; Instruments; Petroleum; Radar; Reflection; Soil; Sonar; Surface impedance;
Journal_Title :
Instrumentation, Transactions of the IRE Professional Group on
DOI :
10.1109/IREPG-I.1952.5007317
