erc: who: Martens, J. S. what: Submillimeter and microwave residual losses in epitaxial films of Y-Ba-Cu-O and Tl-Ca-Ba-Cu-O when: 19920301 where: https://digital.library.unt.edu/ark:/67531/metadc1446078/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/