TY  - SER
AU  - Earp,Lawrence
TI  - Daniel Leech-Wilkinson, Machaut's Mass:  An Introduction; and Compositional Techniques in the Four-Part Isohhythmic Motets of Philippe de Vitry and his contemporaries
PY  - 1993///
CY  - [Richmond (Va) 
PB  - American Musicological Society]
ER  -