B. Okkerse

Self-diffusion in lead: I. Lattice and grain-boundary diffusion

B. Okkerse, 1954 .

Self-diffusion of lead in oriented grain-boundaries

W. G. Burgers, T. J. Tiedema, B. Okkerse, 1955 .

Self-Diffusion of Gold

B. Okkerse, 1956 .

Anomalous Isotope Effect in Metallic Diffusion

D. Lazarus, B. Okkerse, 1957 .