%0 Journal Article %T Graphite Disk Lanthanum(III)-Selective Electrode Based on Benzo-15-crown-5 %A Arbab Zavar, Mohammad Hossein %A Heydari, Somayeh %A Ronaghi, Gholam Hossein %A Ashraf, Narjes %J Journal of the Electrochemical Society %@ 0013-4651 %D 2011