1. Ayres, F. Jr., “Theory and Problems of Differential Equations”, Schaum, NY (1952).
2. Booton, R. C., “Nonlinear Control Systems with Statistical Inputs”, Report Gl, Dynamic Analysis and Control Laboratory, MIT, Cambridge, MA (1953).
3. A Rapid Computation of Temperature Profiles in Plug-Flow Electrolyzers;Brekelmans;J. Electrochem. Soc.,1988