@book{
title = {Leitfaden für den Unterricht in der Geometrie und Projektionslehre },
author = {},
editor = {Istituto tecnico industriale G. Galilei <Bolzano>},
editor = {K. k. Staatsgewerbeschule <Bozen>},
editor = {Schleschka, Josef},
editor = {Wildt, Josef},
year = {1905},
address = {Wien },
publisher = {Pichlers Witwe & Sohn},
}