"Riesending rescue: German caver Johann Westhauser surfaces". BBC News. 2014-06-19. Archived from the original on 2022-10-02. Retrieved 2014-06-19. (NB. The article incorrectly states that the cave was discovered in 1995 by Johann Westhauser himself, however, the cave was discovered in 1996 by Hermann Sommer and Ulrich Meyer, but first explored by a team including Johann Westhauser in 2002.)
vdhk.de
Müller, Thilo; Krauf, Andreas (n.d.). "Die längsten Höhlen" (in German). Verband der deutschen Höhlen- und Karstforscher. Archived from the original on 2020-10-27.
web.archive.org
Müller, Thilo; Krauf, Andreas (n.d.). "Die längsten Höhlen" (in German). Verband der deutschen Höhlen- und Karstforscher. Archived from the original on 2020-10-27.
"Riesending rescue: German caver Johann Westhauser surfaces". BBC News. 2014-06-19. Archived from the original on 2022-10-02. Retrieved 2014-06-19. (NB. The article incorrectly states that the cave was discovered in 1995 by Johann Westhauser himself, however, the cave was discovered in 1996 by Hermann Sommer and Ulrich Meyer, but first explored by a team including Johann Westhauser in 2002.)
