[L. Ia. Boianus (on the 200th anniversary of his birth)].
D005858:Germany; D049671:History, 18th Century; D012425:Russia (Pre-1917); D012582:Schools, Veterinary / Q000266:history; D014730:Veterinary Medicine / Q000266:history
L.Ia. Boianus (k 200-letiiu so dnia rozhdeniia)