@book{Ballweg2014,
  author    = {Joachim Ballweg},
  title     = {Die Semantik der deutschen Tempusformen},
  publisher = {Schwann},
  address   = {D{\"u}sseldorf},
  isbn      = {3-590-15670-8},
  url       = {https://nbn-resolving.org/urn:nbn:de:bsz:mh39-23241},
  pages     = {188},
  year      = {2014},
  language  = {de}
}