@misc{826786,
  author = {W Torge and R Roder and I Timmen and H Kautzleben and Cl Elstner and J Faller},
  title = {Absolute and relative gravity measurements at Hannover and Potsdam in the period 1988-1990},
  year = {1991},
  number = {68},
  month = {1991-01-01 00:01:00},
  publisher = {Bureau Gravimetrique International},
  language = {en},
}