Forsh, P. A., ForshЕ. А., M. N. Martyshov, V. Y. Timoshenko, and P. K. Kashkarov. “Effect of Thermal Annealing on an Anisotropy of Electroconductivity and Photoconductivity of Nanostructured Silicon”. Technology and Design in Electronic Equipment, no. 6, Dec. 2009, pp. 35-37, https://www.tkea.com.ua/index.php/journal/article/view/TKEA2009.6.35.