Alexander Zimermann
Green correspondence and structure of blocks with cyclic defect groups 
in: K. W. Roggenkamp, M. Stefanescu (eds.), 
'Proceedings of the Workshop in Representation theory', 
Constantza 1995, An. St. Univ. Ovidius Constantza, Vol. 4 (1996), 
f.1, pages 24--73.