Krämer and Nevermann 1938

Krämer, A. and Nevermann, H. 1938. Ralik-Ratak.

@book{kramerandnevermann1938,
  author = {Krämer, A. and Nevermann, H.},
  key    = {Krämer and Nevermann (1938)},
  title  = {Ralik-Ratak},
  year   = {1938}
}