1. Albert, D. A., 1993, Attenuation of outdoor sound propagation levels by a snow cover: Report of the Cold Region Research and Engineering Laboratory, U. S. Army Corps of Engineers, 93–20.
2. Brook, R. A., G. A. Crews, and J. J. Sallas, 1989, Experimental analysis of the vibrator air wave: 59th Annual International Meeting, SEG, Expanded Abstracts, 683–685.
3. Subtraction of powerline harmonics from geophysical records
4. Dey, A. K., R. R. Stewart, L. R. Lines, and H. C. Bland, 2000, Noise suppression on geophone data using microphone measurements: CREWES Research Report, 12.
5. Hoffe, B. H., M. B. Bertram, H. C. Bland, E. V. Gallant, L. R. Lines, and L. E. Mewhort, 2000, Acquisition and processing of the Pikes Peak 3C‐2D seismic survey: CREWES Research Report, 12.