Parallelizing a Highly Vectorized Multigrid Code with Zebra Relaxation. - Walter M. Lioen (SC, 1992)

HPCN and Air Quality Modeling. - Joke G. Blom; Walter M. Lioen; Jan G. Verwer (HPCN Europe, 1998)

Factorization of RSA-140 Using the Number Field Sieve. - Stefania Cavallar; Bruce Dodson; Arjen K. Lenstra; Paul C. Leyland; Walter M. Lioen; Peter L. Montgomery; Brian Murphy; Herman J. J. te Riele; Paul Zimmermann (ASIACRYPT, 1999)

Factorization of a 512-Bit RSA Modulus. - Stefania Cavallar; Bruce Dodson; Arjen K. Lenstra; Walter M. Lioen; Peter L. Montgomery; Brian Murphy; Herman J. J. te Riele; Karen I. Aardal; Jeff Gilchrist; Gérard Guillerm; Paul C. Leyland; Joël Marchand; et al. (EUROCRYPT, 2000)