Aerial photography as aid in city traffic planning
Automobiles and parking space in cities
Factors governing street traffic in cities
General street traffic plan for city of Osnabrueck with 125,000 inhabitants
General traffic plan for Zurich
Generalverkehrsplan fuer die Stadt Zuerich, Kurzfassung des Gutachtens Pirath/Feuchtinger
Hydrostatic drive for vehicles
Hydrostatic travel drive for mobile machines