@article {Thomson1987a,
	title = {Patriarchs Euthymius of Tarnovo and Philotheus of Consatantinople and Liturgical Reforms in Fourteenth Century Bulgaria},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {11},
	year = {1987},
	pages = {116{\textendash}119},
	author = {Francis J Thomson}
}
