-
Romanych & Rupp 2013, pp. 5–6.
Donnell 2013, pp. 8–9.
Romanych & Rupp 2013, p. 7.
Donnell 2013, pp. 1–2.
Romanych & Rupp 2013, pp. 6, 7–8.
Romanych &...
- p. 1616.
Romanych & Rupp 2013, pp. 43–44.
Romanych & Rupp 2013, pp. 44–47.
Romanych & Rupp 2013, p. 47.
Romanych & Rupp 2020, p. 5.
Romanych & Rupp 2020...
-
Kaufmann &
Kaufmann 2006, p. 122.
Romanych & Rupp 2010, p. 8.
Allcorn 2003, p. 43.
Allcorn 2003, p. 44.
Romanych & Rupp 2010, p. 19.
Marks 1978, p. 249...
-
Hooton 2008, pp. 84–85.
Romanych & Rupp 2010, p. 52.
Romanych & Rupp 2010, p. 56.
Romanych & Rupp 2010, pp. 56–80.
Romanych & Rupp 2010, pp. 90–91. Hooton...
- Organization, and Tactics. Vienna,
Verlag Militaria, 2007 ISBN 978-3-902526-13-7
Romanych, Marc; Rupp,
Martin (2013). 42 cm "Big Bertha" and
German Siege Artillery...
-
Hooton 2007, pp. 84–85.
Romanych & Rupp 2010, p. 52.
Romanych & Rupp 2010, p. 56.
Romanych & Rupp 2010, pp. 56–80.
Romanych & Rupp 2010, pp. 90–91. Hooton...
- the
Swiss border and cut off the
Maginot Line from the rest of France. M
Romanych & M Rupp,
Maginot Line 1940,
Battles on the
French frontier,
Osprey Publishing...
- Petronio; et al., p. 310 Sandler, p. 99 Fraccaroli, p. 287 Fraccaroli, p. 288
Romanych & Heuer, p. 24 Clerici,
Robbins & Flocchini, pp. 152, 154–156 Cernuschi...
- Boulanger, Vincent. Oxford: Osprey. ISBN 1-84176-646-1. OCLC 56538717.
Romanych, Marc (2010).
Maginot Line 1940 :
battles on the
French frontier. Rupp...
- German). Vol. 14,
Duncker & Humblot, Berlin, ISBN 3428001958, pp. 51–53.
Romanych, Marc; Rupp,
Martin (2010).
Maginot Line 1940:
Battles on the
French Frontier...
