Estimation of oxygen content and observation of X-ray reflection anomalous broadening in epitaxial YBa2Cu3O7−y on LaAlO3 - Hao, Jian-Min; Wen, Ye-Li; Yang, Bing-Chuan; Wang, Xiao-Ping; Shi, Dong-Qi (Physica. C, Superconductivity, 1996)