共 4 条
[1]
HALFTER G, 1949, ANGEW CHEM-GER EDIT, V61, P413
[2]
HALFTER G, 1948, Z ANALYT CHEM, V128, P266
[3]
VAIL JG, 1952, SOLUBLE SILICATES, V1, P40
[4]
WILLARD HW, 1943, ADV QUANTITATIVE ANA, P186