Program for conducting phenological observations in the conditions of the Crimean nature

Program for conducting phenological observations in the conditions of Crimean nature / Comp.Prof.I.I.Puzanov, A.O.School, Ya.Ya.Zoeb and A.S.Deutsch;The Crimean Regional Bureau of Local Lore.Section of natural productive forces.- Simferopol: ed.Crimean regionBureau of local history, 1931. -26 p.: table .. -On the region.In the supervision: Crimean regional bureau of local history..I. Tsoeb, Ya. II.Deutsch, A.S. .. III.Puzanov, I.I .. IV.Shterter, A.O. .. V. Crimean Regional Bureau of Local Lore.Section of natural productive forces. 1.Territory (collection).Electronic copy source: PBOriginal storage location: East Crimean Ikmz