Carroll, T. R., & Allen, M. (1988). Airborne gamma radiation snow water equivalent and soil moisture measurements and satellite areal extent of snow cover measurements: A user's guide : version 3.0. Office of Hydrology, National Weather Service, National Oceanic and Atmospheric Administration, U.S. Dept. of Commerce.
Chicago Style (17th ed.) CitationCarroll, Thomas R., and Milan Allen. Airborne Gamma Radiation Snow Water Equivalent and Soil Moisture Measurements and Satellite Areal Extent of Snow Cover Measurements: A User's Guide : Version 3.0. Minneapolis, Minn.: Office of Hydrology, National Weather Service, National Oceanic and Atmospheric Administration, U.S. Dept. of Commerce, 1988.
MLA (9th ed.) CitationCarroll, Thomas R., and Milan Allen. Airborne Gamma Radiation Snow Water Equivalent and Soil Moisture Measurements and Satellite Areal Extent of Snow Cover Measurements: A User's Guide : Version 3.0. Office of Hydrology, National Weather Service, National Oceanic and Atmospheric Administration, U.S. Dept. of Commerce, 1988.