@Book{Weber1957,
author  = "Weber, Adolf",
title   = "Drei Phasen der industriellen Revolution. Vorgetr. am 8. Nov. 1957",
year    = "1957",
address = "München",
series  = "Sitzungsberichte",
volume  = "1957,10",
url     = "https://publikationen.badw.de/de/003204723",
}