@Book{EbertHoffmann1901,
author  = "Ebert, Hermann and Hoffmann, Berthold",
title   = "Versuche mit flüssiger Luft",
year    = "1901",
address = "München",
series  = "Sitzungsberichte",
volume  = "1900,6",
url     = "https://publikationen.badw.de/de/003384785",
}