[ 发表于: Journal of Veterinary Research ]
高级检索
AGROVOC关键词
出版日期

结果 1-2 的 2

Models for regional heartwater epidemiology in a variable environment

2000

Levins, R. (Harvard School of Public Health, Boston, MA (USA). Dept. of Population and International Health)

National Department of Agriculture, Agricultural Information Centre - South Africa