Journal of agricultural research. 6, pt. 1, 1916
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, 766 стр., издатель: "Книга по Требованию", ISBN: 978-5-8801-5128-8


4 из 5, 7 голос(-ов).