Nikolai Ryzhkov (redirect from Nikolaj Ivanovič Ryžkov)
Routledge. p. 28. ISBN 978-1-135-01891-7. Retrieved 28 February 2024. "Nikolaj Ivanovič Ryzhkov". Archontology. Retrieved 1 April 2013. Government of Russia...
48 KB (4,830 words) - 01:30, 11 May 2024
covered limestone layer, 200–350 meters thick. An expedition led by Aleksandr Ryžkov discovered the Zindan cave in May 1981, 3100 m a. s. l., with springs at...
64 KB (6,845 words) - 02:16, 29 February 2024