Correlation of Bi and Cu valencies with structural modulation in Bi2Sr2(Ca1 - xYx)Cu2Oy Kawano, T. ; Munakata, F. ; Yamauchi, H. ; Tanaka, S. Abstract Publication: Journal of Materials Research Pub Date: February 1992 DOI: 10.1557/JMR.1992.0299 Bibcode: 1992JMatR...7..299K