共 4 条
- [1] The variations in milk yields caused by,season of the year, service, age, and dry period, and their elimination. Part III. Age JOURNAL OF AGRICULTURAL SCIENCE, 1928, 18 : 46 - 67
- [2] The variations in milk yields caused by season of the year, service, age, and dry period and their elimination Part II Service JOURNAL OF AGRICULTURAL SCIENCE, 1927, 17 : 502 - 523
- [3] The variations in milk yields caused by season of the year, service, age, and dry period, and their elimination - Part I Season of the year JOURNAL OF AGRICULTURAL SCIENCE, 1927, 17 : 339 - 379