共 39 条
[1]
BUSSEIN W, 1938, WISS VEROFFENT SIEME, V17, P77
[2]
HARALDSEN H, 1930, NEUES JB F UR MINERA, V61A, P139
[3]
Hedvall J.A., 1940, NATURWISSENSCHAFTEN, V28, P429
[4]
HEDVALL JA, 1942, GLASTECH BER, V20, P34
[5]
KRAUSE O, 1937, SPRECHSAAL, V70, P443
[6]
KRAUSE O, 1937, SPRECHSAAL, V70, P455
[7]
KRAUSE O, 1937, SPRECHSAAL, V70, P467
[8]
KRAUSE O, 1937, SPRECHSAAL, V70, P481
[9]
KRAUSE O, 1937, SPRECHSAAL, V70, P433
[10]
NAGAI S, 1934, J JAPAN CERAM ASS, V42, P471