@book {Bona1674,
	title = {Rerum liturgicarum libri duo},
	year = {1674},
	publisher = {Rudolpho Dreher},
	organization = {Rudolpho Dreher},
	address = {Cologne},
	url = {https://books.google.bg/books?id=kjzonAAACAAJ\&printsec=frontcover\&source=gbs_ge_summary_r\&cad=0$\#$v=onepage\&q\&f=false},
	author = {Bona, Giovanni}
}
