共 16 条
[1]
BARSHAD I, 1952, AM MINERAL, V37, P667
[2]
ERIKSSON E, 1952, KUNGL LANTBRUKSHOGSK, V19, P127
[3]
ERIKSSON E, 1953, K LANTBRHOGSK ANNLR, V20, P117
[4]
ERIKSSON E, 1954, KUNGL LANTBRUKSHOGSK, V21, P189
[5]
GRIMSHAW RW, 1953, BRIT CERAM T, V52, P50
[6]
KERR PF, 1948, AM MINERAL, V33, P387
[7]
KIYOURA R, 1950, J CERAM ASS JAPAN, V58, P3
[8]
MURRAY JA, 1951, 49 P ANN CONV NATL L
[10]
SPEIL S, 1944, 3764 US BUR MIN RI