1. Bartholomäi, A., Die Lüftung des Straßentunnels. Straße Verk. 25, II. 20, S. 288–291, 1939.
2. Fieldner, A. C., Yant, W. P. und Satier, L. L. jr., Natural Ventilation in the Liberty Tunnels. Eng. News Record, 93, 1924, S. 290–292.
3. Fritzsche, C. H., Lehrbuch der Bergbaukunde. Berlin 1942. Springer-Verlag.
4. Harrington, F. F., Ventilation of Alleghany Summit Tunnel. Eng. Record 1914, Bd. 70, H. 12, S. 324–325.
5. Kelle y, C. F., Ventilation during driving of New-Yorks 20-miles Water Tunnel. Eng. News Record, 107, 1931, S. 58–59.