P. O. Wits

Technical Note: Active control of an engine dynamometer

P. O. Wits, 1993 .

Structural modification using frequency response functions: an experimental study

P. O. Wits, 1993 .

The Number of Inversions in Permutations: A Saddle Point Approach

Guy Louchard, Helmut Prodinger, John Knopfmacher, 2003 .