Note 572 — Chapter XXI · OTHER TECHNOLOGICAL USES OF THE CERIUM AND YTTRIUM ELEMENTS, ZIRCONIUM AND THORIUM
Reading edition
Vide Lumière, Bull. Soc. franc. Photog. (2) 1900, 16, 103. Also E. 470, 1900.
[573] Fateau, E. 20740, 1907.
Reading edition
Vide Lumière, Bull. Soc. franc. Photog. (2) 1900, 16, 103. Also E. 470, 1900.
[573] Fateau, E. 20740, 1907.