| Author: | Schoenflies, A. (Arthur), 1853-1928 |
| Subject: | QA, Perspective, Geometrical drawing |
| Format: | Electronic text |
| Date issued: | 2010 |
| Language: | German |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Einführung in die Hauptgesetze der Zeichnerischen Darstellungsmethoden [electronic resource] / A. Schoenflies |