@book {Лихачев1928,
	title = {Материалы для истории византийской и русской сфрагистики},
	volume = {1},
	year = {1928},
	publisher = {Труды Музея палеографии},
	organization = {Труды Музея палеографии},
	address = {Ленинград},
	author = {Лихачев, Николай П.}
}
