 |
Johnston, C.A. 1998. Geographic Information Systems in Ecology. Blackwell Science, Oxford, England. |
 |
Johnston, C.A. 2005. Geographic Information Systems in Ecology (in Greek). Ion Publishing, Athens, Greece. |
 |
National Research Council. 2001. Compensating for Wetland Losses Under the Clean Water Act. National Academy Press, Washington, DC. |
|
National Research Council. 2001. Envisioning the Agenda for Water Resources Research in the 21st Century. National Academy Press, Washington, DC.
|
|
Goodchild, M.R., L.T. Steyaert, B.O. Parks, C.A. Johnston, D. Maidment, M. Crane, and S. Glendinning (eds.) 1996. GIS and Environmental Modeling: Progress and Research Issues. GIS World Books, Fort Collins, CO. |
|
National Research Council. 1999. New Strategies for America's Watersheds. National Academy Press, Washington, DC. |
|
National Research Council. 1995. Wetlands: Characteristics and Boundaries. National Academy Press, Washington, DC. |