Taheri K, Rounaghi G, Chamsaz M, Ansari Fard M. A Spectrophotometric Study of Complex Formation of Y3+, La3+ and Ce3+ with Some 18- and 15-Membered Crown Ethers in Methanol. ajc [Internet]. 2010 Mar. 30 [cited 2024 Nov. 5];21(2):1330-4. Available from: https://asianpubs.org/index.php/ajchem/article/view/18829