Relative saving in energy through regenerative braking on electric railways
Neuere Studien uber Schwankungen des Kraftbedarfs der elektrischen Zugforderung
Adhesion of electric vehicles with motors for various types of current
Die massgebenden Gesichtspunkte bei der Systemwahl der elektr. Zugforderung
The power requirements on future electrification of Swiss railways
Choice of frequency for the alternating current railways of Switzerland
The development and construction of motors and driving gears for electric cars