Zhurnal Prikladnoi Khimii (Sankt-Peterburg, Russian Federation), , vol. 35, p. 231 - 235 Zhurnal Prikladnoi Khimii (Sankt-Peterburg, Russian Federation), , vol. 35, p. 245 - 250 Sc: MVol.C2, 3.2.3.1.3, page 80 - 80