por Davidge, Roger William, 1936- [editor] | Voorde, Marcel H. van de [editor] | European Physical Society. Industrial Workshop (1990 : Petten, Holanda).
por European Physical Society. Industrial Workshop (6 : 1990 : Lofthus, Noruega) | Salaneck, W. R [editor] | Clark, David Thomas [editor] | Samuelsen, Emil J [editor] | Eropean Physical Society.