Woher kommt Benzin?
The book begins with a basic explanation of the function and purpose of control valves, explaining the various types of valves that are available along with their features and limitations.
The Land of Ur
Describes archaeological finds in Mesopotamia and what they have revealed of the ancient civilizations of that area.
... Kapital als wirtschaftliche Energie und Geld als ihr Maßstab . Von E. Eckelt . 420 S. 1971. DM 78,60 163 Der Funktionswandel der Genossenschaften in industriellen Marktwirtschaften . Von W. W. Engelhardt . 127 S. 1971. DM 26,60 164 Die ...