p.r.a.k Atlantic Wall typology = Typologie du Mur d'Atlantique = Atlantikwall-Typenheft / Rudi Rolf IJmuiden - Den Haag, Atlantikwall 1940-1945 : Marine Artillerie Abteilung 201 / P. Harff en D. Harff Atlantikwall as military archaeological landscape / Michaela Bassanelli, Gennaro Postiglione (editors)
