1. Hydrologic Data Collection via Geostationary Satellite
2. Kogan R. M. I. M.Nazarov S. D.Fridman Gamma spectrometry of natural environments and formations translated from RussianTT 70‐50092 337Israel Program for Sci. Transl. Jerusalem 1971.
3. Evaluation of Snow Water Equivalent by Airborne Measurement of Passive Terrestrial Gamma Radiation
4. Smith J. L. H. G.Halverson R. A.Jones The profiling radioactive snow gage Transactions of Isotopic Snow Gage Information Meeting 17–47 Idaho Nucl. Energy Comm. and USDA Soil Conscerv. Serv. Sun Valley 1970.
5. U.S. Army Corps of Engineers1 Development and test performance of radioisotope‐radiotelemetering snow‐gage equipment Civil Works Invest. Proj. CWI‐170. 74 pp. + appendix S. Pac. Div. San Francisco Calif. 1955.