共 4 条
[1]
BARRETT CS, 1955, J I MET, V84, P43
[2]
BARRETT CS, 1948, AM MINERAL, V33, P749
[3]
X-RAY STUDY OF THE ALKALI METALS AT LOW TEMPERATURES
[J].
ACTA CRYSTALLOGRAPHICA,
1956, 9 (07)
:671-677