WASET
GuimarĂ£es, A. , Mansur, M. (2016), 'Selective Solvent Extraction of Calcium and Magnesium from Concentrate Nickel Solutions Using Mixtures of Cyanex 272 and D2EHPA', World Academy of Science, Engineering and Technology, Open Science Index 113, International Journal of Materials and Metallurgical Engineering, 10(5), 515 - 518.