^ 1.01.1Sung, Min-Hyun; Kim, Woo-Sik; Kim, Jun-Soo. Thermal decomposition and crystal structure of yttrium oxalate produced by reaction crystallization(韓文). Hwahak Konghak, 1998. 36 (4): 510-516. ISSN: 0304-128X.
^Davitashvili, E. G.; Modebadze, M. E.; Sheliya, N. G. Reaction of yttrium chloride with Na, ammonium, and K oxalates(俄文). Soobsch. Akad. Nauk Gruz. SSR, 1965. 40 (2): 325-332.