Bulk nature of the superconductivity of YBa2Cu3Ox single crystals Emel'Chenko, G. A. ; Kartsovnik, M. V. ; Kononovich, P. A. ; Larkin, V. A. ; Osip'yan, Yu. A. ; Ryazanov, V. V. ; Shchegolev, I. F. Abstract Publication: Soviet Journal of Experimental and Theoretical Physics Letters Pub Date: August 1987 Bibcode: 1987JETPL..46..204E