[V.I. Vernadskiĭ and the present era (on the 125th anniversary of his birth)].
Shepelev
E Ia
EIa
D005844:Geology / Q000266:history; D049672:History, 19th Century; D012425:Russia (Pre-1917)
V.I. Vernadskiĭ i sovremennost' (k 125-letiiu so dnia rozhdeniia).