@book{28501,
	author = {Bucher, Edwin,},
	title = {Beitrag zu den Theoretischen Grundlagen des Lawinenverbaus.},
	publisher = {Kommissionsverlag Kümmerly & Frey,},
	year = {1948.},
	address = {Bern,},
	note = {Summaries in German, French and English.}
}