@INPROCEEDINGS {VSl94c,
AUTHOR    = "{van der Vorst}, H. A. and Sleijpen, G. L. G.", 
TITLE     = "An introduction to hybrid iteration methods",
BOOKTITLE = "Proceeding of the international workshop
             on solution techniques for large-scale {CFD} problems",
EDITOR    = "Habashi, W. G.",
ADDRESS   = "Montreal", 
YEAR      = "September, 1994", 
PAGES     = "143--159",}