@article{838246, author = {M Lei and Albert Migliori and H Ledbetter}, title = {Acoustic Evidence Against BCS Behavior in Monocrystal YBa2Cu307}, year = {1999}, number = {C 282-287}, month = {1999-11-01 00:11:00}, publisher = {Physica C-Superconductivity and Its Applications}, language = {en}, }