DERBY SHIRE
Dictionary of Science, Literature and Art · 1842 · p. 43
Fluoride of calcium. See Fluor Spar. SPAR, [s. 1149]
Bu kavram başka kaynaklarda da geçiyor
Adair's New Encyclopedia (1923)
Nuttall Encyclopedia (1907)
Nuttall's Standard Dictionary of the English Language (1890)
The Treasury of Languages (1866)
Dictionary of Science, Literature and Art (1854)
Mann, MATTHEW
—
Chandler's Encyclopedia (1898)
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