@book{Wilhelm1989,
  author    = {Wilhelm, Gernot},
  title     = {The Hurrians / [with a chapter by D. L. Stein]},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-87615},
  publisher      = {Universit{\"a}t W{\"u}rzburg},
  year      = {1989},
  abstract  = {No abstract available.},
  subject      = {Mesopotamien},
  language  = {en}
}
@article{Wilhelm1989,
  author    = {Wilhelm, Gernot},
  title     = {Die zweite Tafel der Serie Kagal in Ḫattusa},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-87806},
  year      = {1989},
  abstract  = {no Abstract available},
  subject      = {Kagal},
  language  = {de}
}