Telephony. Vol. 2, Automatic exchange systems /
Telephony. Vol. 1, General principles and manual exchange systems /
Computer telephony. : Automating home offices and small businesses. /
Naturwissenschaftliche Reihe. Die Drahtlose Telegraphie und Telephonie.
Fundamental electronics and vacuum tubes.
Fundamentals /
Fundamentals of Physics Vol. 1 Motion and Forces. Conservations Laws. Moleczlar Kinetic Therory of gases...
Fundamentals of Physics. Vol. 2. Vibrations and wawes. Quantum physica of atoms molecules and solids. Physics of the nucleus and elementary particles /
Fundamental theory of servomechanisms.
Fundamentals of management /
Fundamentals of management. /
Fundamentals of radio.
Fundamental Genetics /
Fundamentals of criminalistics /
Fundamentals of Holography. /
Fundamentals of immunology /
Fundamentals of roentgenology /
Cryogenic Fundamentals
The Fundamentals of Corrosion /
Fundamentals of physics /
Fundamentals of telephony.