Помогите, пожалуйста, со статьёй:
Synergistic Solvent Extraction of Trivalent Lanthanoids with Mixtures of 1-Phenyl-3-methyl-4-pivaloyl-5-pyrazolone and Crown Ethers
Rani Pavithran a; R. Luxmi Varma a; M. P. Reddy
Solvent Extraction and Ion Exchange
Volume 21 (2003), Issue 6, pages 797 - 813
Код: Выделить всё
http://dx.doi.org/10.1081/SEI-120025924