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pavel p konishev
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Chetvurti simpozium na mladite nauchni rabotnitsi v selskoto stopanstvo 13-15 noemvri 1971 g., Varna = Fourth symposium of the young research workers in agriculture
Pavel P. Konishev, Selskostopanska akademii︠a︡ Georgi Dimitrov, Bŭlgarska akademii︠a︡ na naukite, Simpozium na mladite nauchni rabotnitsi v selskoto stopanstvo (4th 1971 Varna) · Izd-vo na Bulgarskata akademii︠a︡ na naukite
270 sayfa · 1974
Agriculture / Congresses