1. Influence of access hole parameters on neutron moisture probe readings
2. Everett , L. G. L. G. Wilson E. W. Hoylman 1984 Vadose Zone Monitoring for Hazardous Waste Sites
3. Hammermeister , D. P. C. R. Kneiblher J. Klenke 1985 Borehole calibration methods used in cased and uncased test holes to determine moisture profiles in the unsaturated zone, Yucca Mt. Nevada Proc. of the Nat. Water Well Assoc. Conference of Characterization and Monitoring of the Vadose Zone 542 563
4. Hanson , G. G. L. Dickey 1982 Figure in: G. L. Dickey. Radiation Safety, Calibration and Use of the Neutron Soil Moisture Gage