A treatise on the hog: his habits, breeds, management, and diseases. With especial reference to the disease called hog cholera. Together with a chapter on trichina. By James A. Reasor ...

الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)

المعلومات البيبليوغرافية