Dieter Bacher, Intelligence in occupied Austria 1945–1955 – The Soviet side, in: Stefan Karner, Barbara Stelzl-Marx (eds.), Red Army in Austria. Cold War Studies Book Series (Lanham 2020).

https://www.waterstones.com/book/the-red-army-in-austria/stefan-karner/barbara-stelzl-marx/9781793626585