M. Kuhn

Surface resistance measurements of HTS films by means of sapphire dielectric resonators

J. Modelski, J. Krupka, J. Krupka, 1993, IEEE Transactions on Applied Superconductivity.

Dielectric properties of single crystals of Al/sub 2/O/sub 3/, LaAlO/sub 3/, NdGaO/sub 3/, SrTiO/sub 3/, and MgO at cryogenic temperatures

Jerzy Krupka, Richard G. Geyer, J. H. Hinken, 1994 .