共 5 条
[1]
AEBI F, 1948, Helv Chim Acta, V31, P8, DOI 10.1002/hlca.19480310104
[2]
PEYRONEL G, 1942, GAZZ CHIM ITAL, V72, P83
[3]
PHASE EQUILIBRIUM RELATIONS IN THE SYSTEMS TITANIA-NIOBIA AND ZIRCONIA-NIOBIA
[J].
JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS,
1955, 55 (04)
:209-213
[4]
Seabright C.A., 1948, U.S. Patent, Patent No. 2441447