Proceedings of the VII of the agronets meeting at the Olonetsky provincial Zemstvo administration.February 6-11, 1912

Olonetskoy lips.Zemskoy agronomical meeting.(7; 1912).Proceedings of the VII of the agronets meeting at the Olonetsky provincial Zemstvo administration.February 6-11, 1912: (journals and dokl.).- Petrozavodsk: Olonets.lips.Zemstvo, 1912. - [4], 36, 317 p., 1 l.colorpl.: IL.;25. -.Electronic Source: PB