Lee, D. B. (1996). Effects of the eruptions of Mount St. Helens on physical, chemical, and biological characteristics of surface water, ground water, and precipitation in the Western United States. United States Government Print. Office.
Chicago-Zitierstil (17. Ausg.)Lee, Douglas B. Effects of the Eruptions of Mount St. Helens on Physical, Chemical, and Biological Characteristics of Surface Water, Ground Water, and Precipitation in the Western United States. [Washington, DC]: United States Government Print. Office, 1996.
MLA-Zitierstil (9. Ausg.)Lee, Douglas B. Effects of the Eruptions of Mount St. Helens on Physical, Chemical, and Biological Characteristics of Surface Water, Ground Water, and Precipitation in the Western United States. United States Government Print. Office, 1996.