Process Dynamics And Control Modeling For Control And Prediction,brian RoffelBrian Roffel and Ben Betlem2007PDF
Montcalm's army ... Colour plates by Michael RoffeMartin Windrow, colour plates by Michael Roffe1973PDF
CTD/O2 data collected in 1985 and 1986 for EPOCS / Carol Roffer, David W. Behringer.Carol. Roffer1987ZIP