@Book{Steinheil1843,
author  = "Steinheil, Carl August",
title   = "Über quantitative Analyse durch physikalische Beobachtungen",
year    = "1843",
address = "München",
series  = "Abhandlungen",
volume  = "3,17",
url     = "https://publikationen.badw.de/de/007408179",
}