Mewes, W., G. Nowald and H. Prange. (1999).
Kraniche. Mythen, Forshung, Fakten.
G. Braun Buchverlag - Deutsche Lufthansa AG.
(Hardback; 230x245mm. ISBN: 3-7650-8195-7. In German.
107 pages. Many colour pictures, some Figures and maps.)