http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
forward finite difference procedure with exponentially increasing time steps
National Hydrology Research Institute (Canada)
Canada. Inland Waters Directorate. Technical bulletin ; no. 152
National Hydrology Research Institute. Paper ; no. 37
Saskatoon, Sask. : National Hydrology Research Institute, 1987
Technical bulletin (Canada. Inland Waters Directorate) ; no. 152