@misc{Untermann,
  author    = {J{\"u}rgen Untermann},
  title     = {Etymologie und Wortgeschichte},
  issn      = {1615-1496},
  series    = {Arbeitspapier / Institut f{\"u}r Sprachwissenschaft, Universit{\"a}t K{\"o}ln},
  number    = {A.F. 25},
  pages     = {20},
}