The teaching of geometry
In: Zentralblatt für Didaktik der Mathematik, Vol. 1985, page 54-55
Thermal expansion, heat of fusion, and electron density of monovalent metals
In: Physica status solidi : B, Basic research, Vol. 148, page 91-100Traveltimes in common midpoint sections of anisotropic media
In: Soviet Geology and Geophysics, Vol. 1991, page 120-126