Experiment Station work, XXIII : compiled from the publications of the Agricultural Experiment Stations : U.S. Department of agriculture : Farmers' bulletin No. 186 / prepared in the office of Experiment Stations, A.C. True, director .— : Government printing office, 1904 .— 648 с. — Lang: eng .— URL: https://rucont.ru/efd/120155 (дата обращения: 17.11.2025)