Robert S. Benfell

Instrumentation and Control Devices

Gary Skipper, Robert S. Benfell, Alan Vause, 2008 .

Electrical Fundamentals and Power System Principles

Robert S. Benfell, Alan Vause, Mayo Gottliebson, 2008 .

Chapter 2 – Nomenclature

Robert S. Benfell, Mayo Gottliebson, Robert L. Sanks, 2008 .

Instrumentation and Control Applications

Robert S. Benfell, Mead Bradner, Horton Wasserman, 2008 .

Variable-Speed Pumping

Robert S. Benfell, Alan Vause, Mayo Gottliebson, 2008 .