@article{Kortlandt2010,
  author    = {Frederik H. H. Kortlandt},
  title     = {The Proto-Germanic pluperfect},
  journal   = {Amsterdamer Beitr{\"a}ge zur {\"a}lteren Germanistik},
  volume    = {40},
  pages     = {1 -- 5},
  url       = {http://www.kortlandt.nl/publications/art128e.pdf},
  year      = {2010},
}