Okorokova, Vira, and Olha Likhachova. “Formation Components of Technical Science in Ukraine in the 60‒70s of the XIX Century”. History of science and technology 10, no. 2 (December 12, 2020): 339-352. Accessed March 2, 2021. http://hst-journal.com/index.php/hst/article/view/427.