TY  - BOOK
AU  - Laurdaux, W
TI  - The Concept of Heresy in the Middle Ages:  (11th-13th C.) Proceedings of the International Conference Louvain May
U1  - C57 
PY  - 1976///
CY  - Leuven
PB  - Leuvense Universitaire Uitgaven
N1  - includes index and biblioraphy
ER  -