Isotopic effect in the Raman spectra of orthorhombic and tetragonal YBa2Cu3O7-delta single crystals, A. V. Bazhenov, L. V. Gasparov, Vladimir D. Kulakovskii, Oleg V. Misochko, Yu. A. Osip'yan, Vladislav B. Timofeev
Lev V Gasparov