http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
WEISS, Guenther: -- Introitus-Tropen.1. - Kassel, Basel, Tours, -- London: Bärenreiter 1970. 8° -- (Monumenta monodica medii aevi.3.) -- 1977:260/gb.(Bd 1). -- ʘ Gr.