Technical Note - Least-Squares Image Registration. - Karel Zikan (INFORMS J. Comput., 1991)

A Note on Averaging Rotations. - W. Dan Curtis; Adam L. Janin; Karel Zikan (VRAIS, 1993)

Numerical Linear Algebra and Optimization; Volume 1 (Philip E. Gill, Walter Murray, and Margaret H. Wright). - Janusz Kowalik; Karel Zikan (SIAM Rev., 1993)

Efficient Collision Detection Using Bounding Volume Hierarchies of k-DOPs. - James T. Klosowski; Martin Held; Joseph S. B. Mitchell; Henry Sowizral; Karel Zikan (IEEE Trans. Vis. Comput. Graph., 1998)