1. . 1985. Prototype drill for sampling fine-grained perennially frozen ground. CRREL Report 85-1, U.S. Army Engineer Cold Regions Research and Engineering Laboratory, Hanover, NH.
2. . 1960. Core drilling in frozen ground. Technical Report No. 3-534, U.S. Army Engineer Waterways Experiment Station, Vicksburg, MS.
3. An Improved Motorized Corer and Sample Processing System for Frozen Peat
4. . 1985. Ice-coring augers for shallow depth sampling. CRREL Report 85-21, U.S. Army Engineer Cold Regions Research and Engineering Laboratory, Hanover, NH.
5. . 1986a. Drill bits for frozen fine-grained soils. CRREL Special Report 86-27, U.S. Army Engineer Cold Regions Research and Engineering Laboratory, Hanover, NH.