共 10 条
[3]
Leverenz H.W., 1936, Luminescent Material, Patent No. 2066044
[6]
RUBENSTEIN M, CITED INDIRECTLY
[8]
von Dreele R.B, 1970, J SOLID STATE CHEM, V2, P612, DOI DOI 10.1016/0022-4596(70)90058-7
[10]
WILLIAMS FE, 1948, Patent No. 2447448