Zhurnal Prikladnoi Khimii (Sankt-Peterburg, Russian Federation), , vol. 31, p. 439 - 444 Zhurnal Prikladnoi Khimii (Sankt-Peterburg, Russian Federation), , vol. 31, p. 452 - 458 C: MVol.D1, 45.8.1, page 412 - 415