共 5 条
[1]
CHABEREK S, 1959, SEQUESTERING AGENTS
[3]
A NEW HIGH-TC OXIDE SUPERCONDUCTOR WITHOUT A RARE-EARTH ELEMENT
[J].
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS,
1988, 27 (02)
:L209-L210
[5]
WONGNG W, 1987, ADV CERAM MATER, V2, P565