A new amphibious tetrapod from the Greenlandic Eotriassic / Hans C. Bjerring, 1999
La composition fondamentale de la région céphalique chez les craniotes / Hans Christian
Bjerring, 1979 [Thèse]
http://www.wikiwand.com/en/Hans_C._Bjerring, 2015-03-31
Information trouvée : Hans Christian Bjerring (born May 30, 1931)