Harbert, H. P., & Berg, W. A. (1978). Vegetative stabilization of spent oil shales: Vegetation, moisture, salinity, and runoff, 1973-1976. Environmental Protection Agency, Office of Research and Development, Industrial Environmental Research Laboratory.
Chicago Style (17th ed.) CitationHarbert, H. P., and W. A. Berg. Vegetative Stabilization of Spent Oil Shales: Vegetation, Moisture, Salinity, and Runoff, 1973-1976. Cincinnati, Ohio: Environmental Protection Agency, Office of Research and Development, Industrial Environmental Research Laboratory, 1978.
MLA (9th ed.) CitationHarbert, H. P., and W. A. Berg. Vegetative Stabilization of Spent Oil Shales: Vegetation, Moisture, Salinity, and Runoff, 1973-1976. Environmental Protection Agency, Office of Research and Development, Industrial Environmental Research Laboratory, 1978.