| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Oil Hydraulic Power | 978-O-O7-O196O9-4 (O-O7-O196O9-5) | 1960 |
Ernst Walter · W. Ernst · Walter Enderli, Ernst Scherrer, Rudolf Spinnler Hrch. Brandenberger · Walter Ernst Bernheimer · Walter Ernst Haberl · Wolf-Walter Ernst