@book{ title = "Scripta Leonis, Rufini et Angeli sociorum S. Francisci", author = "Leo,Rufinus,Angelus,Brooke, Rosalind B.", year = "1970", publisher = "Clarendon Pr.", address = "Oxford", title = "= The writings of Leo, Rufino and Angelo, companions of St. Francis", language = "eng","lat", howpublished = "print", keywords = "Quelle", note = "Text lat. u. engl", series = "Oxford medieval texts", }