Kröger, Ferdinand Anne |
The function of oxygen in zinc sulfide phosphors / by F.A. Kröger and J.A.M. Dikhoff |
Dikhoff, J.A.M. |
Temperaturbestimmungen im Gleichstromkohlebogen / von J.A.M. Dikhoff |
Kröger, Ferdinand Anne |
Trivalent cations in fluorescent zinc sulphide / by F.A. Kröger and J. Dikhoff |