• publisher: Bonn a. Rh., Buchdruckerei s. Foppen
  • creator: Sturm, Jakob, 1881-
  • Keyword: Sound Speed.
  • years: 1904.
  • pages: 33, [1] p., 1 l.
  • class: QC233
  • notes: Lebenslauf.
  • download: pdf file