@inbook {1987,
	title = {Апокрифы о крестном древе},
	booktitle = {Словарь книжников и книжности Древней Руси: XI {\textendash} первая половина XIV в.},
	volume = {1},
	year = {1987},
	address = {Ленинград},
	author = {Каган, М}
}
