@book{7466830,
	author = {Дингельштедт, Н.Н.},
	title = {Геология Северо-Каракульского района},
	publisher = {Таджик.-Памирская экспедиция},
	year = {1936},
	series = {Труды экспедиции},
	address = {Ленинград}
}