@book{391,
  address   = {Heidelberg},
  author    = {Watkins, Calvert},
  note      = {Watkins, Calvert (1969). Indogermanische Grammatik. Vol. III: Formenlehre.1: Geschichte der indogermanischen Verbalflexion. Heidelberg: Carl Winter.},
  publisher = {Carl Winter},
  title     = {Indogermanische Grammatik},
  volume    = {III: Formenlehre},
  year      = {1969}
}