@book {Ryan1999,
	title = {The bathhouse at midnight. An historical survey of magic and divination in Russia},
	year = {1999},
	pages = {512},
	author = {Ryan, W.}
}
@inbook {Ryan1997,
	title = {Magic and Divination: Old Russian Sources},
	booktitle = {The Occult in Russian and Soviet Culture},
	year = {1997},
	pages = {35-58},
	address = {New York},
	author = {Ryan, W.},
	editor = {Rosenthal, B.}
}
