Heinrich Voss A Projection Method for a Rational Eigenvalue Problem in Fluid-Structure Interaction. 403-411 2002 conf/iccS/2002-2 International Conference on Computational Science (2) http://link.springer.de/link/service/series/0558/bibs/2330/23300403.htm db/conf/iccS/iccS2002-2.html#Voss02