10.6.4. ÝÂÎËÞÖÈÎÍÍÀß ÝÏÈÑÒÅÌÎËÎÃÈß
ËÎÐÅÍÖ Êîíðàä (1903 – 1989)
ËÎÑÑÊÈÉ Íèêîëàé Îíóôðèåâ. (1870–1965)