Mary Somerville (1780-1872)
December 27, 2025
Tag: spiracles
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Clays produced by weathering
November 28, 2025
Identification of clay minerals
November 28, 2025
Mineralogy of the common clays
November 28, 2025
The crystallography of clays
November 28, 2025
Ludmila Slavikova, (1890–1943)
November 22, 2025