@article{Kortlandt2010,
  author    = {Frederik H. H. Kortlandt},
  title     = {The linguistic position of the Prussian second catechism},
  volume    = {37},
  number    = {2},
  pages     = {205 -- 209},
  url       = {http://www.kortlandt.nl/publications/art215e.pdf},
  year      = {2010},
}