I just picked up the Military Modeling Military Vehicle Special and it has 2 articles on the A7V. One is the Sparta 1/35 kit by John Prigent and the other is on the Earlier A7V Types byRainer Strasheim. There is also a build article on Rodans Rolls Royce 1920 pattern Armored Car by Peter Heath. I didn't see any postings on this issue but if you haven't got one it is worth getting