Training in Technology. (1999). Experiments with the Four Quadrant Drive. Berg bei Ravensburg: System Technik.
Trích dẫn kiểu ChicagoTraining in Technology. Experiments With the Four Quadrant Drive. Berg bei Ravensburg: System Technik, 1999.
Trích dẫn MLATraining in Technology. Experiments With the Four Quadrant Drive. Berg bei Ravensburg: System Technik, 1999.
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