"shuichi Shibata,Kitagawa,Hisaaki Okazaki,Takao Kimura,Toshiaki Murakami","Syperconducting Oxides by the Sol-Gel Method Using Alkoxides.",,"Jpn. J. Appl. Phys.",,"Vol. 27","No. 1","pp. L53-L54",1988,