@Book{028828178,
author="Tischler, Hans",
title="style and evolution of The earliest motets: (to circa 1270)",
series="Musicological studies / Institute of Mediaeval Music 40",
year="1985",
publisher="Inst. of Medi{\ae}val Music",
address="Henryville [u.a.]",
note="by Hans Tischler",
language="English"
}