R. Vonk

Softening of concrete loaded in compression

R. A. Vonk, R. Vonk, 1992 .

The umbilicus as external auditory canal for reconstruction of a large maxillofacial defect.

P. Werker, R. Vonk, S. J. Jongen, 2001, Plastic and reconstructive surgery.

Fracture of concrete under multiaxial stress-recent developments

R. Vonk, J. Mier, 1991 .