Note 499 — Chapter XVIII · THE CHEMICAL TREATMENT OF MONAZITE
Reading edition
D. R. P. 214886, October, 1909.
[500] Rosenheim, Chem. Zeitg. 1912, 36, 821; also Koss, ibid. 686
[501] Wirth, Zeitsch. angew. Chem. 1912, 25, 1678.
[502] Rosenheim and Pinsker, Ber. 1910, 43, 2003.