W. German
发表
W. German,
1896
.
W. German,
D. Harding,
1971,
Clay minerals.
W. German,
D. Harding,
1969,
Clay Minerals.
A. Vogel,
W. German,
G. Jeffery,
1936
.
A. Vogel,
W. German,
1936
.
W. German,
D. Harding,
1971,
Clay Minerals.
W. German,
1896
.