@inbook {Penkova1988, title = {Der Beitrag Methods zu den slavischen Totenoffizia}, booktitle = {Symposium Methodianum. Beitr{\"a}ge der Internationalen Tagung in Regensburg (17. bis 24. April 1985) zum Gedenken an den 1100. Todestag des hl. Method}, series = {Selecta slavica 13}, year = {1988}, pages = {217{\textendash}228}, publisher = {Hieronymus}, organization = {Hieronymus}, address = {Neuried}, author = {Penkova, Pirinka}, editor = {Trost, Klaus and V{\"o}lkl, Ekkehard and Wedel, Erwin} }