THE ACADEMICIAN N.P. KRAVKOV IN THE YEARS OF WORLD WAR I (A FEW TOUCHES TO A PORTRAIT OF THE SCIENTIST) - PDF (俄语)


版权所有 © Uzbekova D.G., 2014

Creative Commons License
此作品已接受知识共享署名 4.0国际许可协议的许可

Media Registry Entry of the Federal Service for Supervision of Communications, Information Technology and Mass Communications (Roskomnadzor) PI No. FS77-76803 dated September 24, 2019.