Journal of agricultural research. 17, 1919
Автор: United States. Dept. of Agriculture,Association of American Agricultural Colleges and Experiment Stations,Association of Land-Grant Colleges and Universities,Association of Land-Grant Colleges, 440 стр., издатель: "Книга по Требованию", ISBN: 978-5-8801-5231-5



5 из 5, 8 голос(-ов).