Proceedings of the X Agronomical Meeting at Olonetsky Gubernskaya Zemskaya Management on March 5-10, 1915

Olonetskoy lips.Zemskoy agronomical meeting.(10; 1915).Proceedings of the X of the Aggonomic Meeting at Olonetsk Gubernskaya Zemskaya Governance March 5-10, 1915: (Zhur. And Dokl.).- Petrozavodsk: Olonets.lips.Zemstvo, 1915. -IV, 37, [3], 99 p.;25. -.Electronic Source: PB