TY  - BOOK
AU  - Hybel, Nils
AU  - Hybel, Nils
TI  - Crisis or change : the concept of crisis in the light of ararian structural reoraganization in late medieval engalnd
U1  - Y1:30Xv3 
PY  - 1989///
CY  - Aarhus
PB  - Aarhus Univ. Press
KW  - Y1:30Xv3
ER  -