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Lanthanum - Wikipedia
Lanthanum - Element information, properties and uses | Periodic …
Lanthanum | Rare Earth Element, Uses in Technology, & Medicine
Comprehensive Guide to Lanthanum: Uses, Properties, and …
Facts About Lanthanum | Live Science
Lanthanum Element | Uses, Facts, Physical & Chemical …
Lanthanum - Minerals Education Coalition
Lanthanum - New World Encyclopedia
lanthanum summary | Britannica
Lanthanum - Wikiwand