共 10 条
[1]
BLATTNER H, 1948, HELV PHYS ACTA, V21, P210
[3]
KANZIG W, 1949, HELV PHYS ACTA, V22, P585
[4]
Kelley K.K., 1949, US BUR MINES B, V476
[5]
KELLEY KK, 1946, 686 US BUR MIN TECH