1
Publicado 1975
“...United States. Agency for International Development. Office of Science and Technology....”
Libro
2
Publicado 1976
“...United States. Agency for International Development. Bureau for Technical Assistance....”
Libro
3
Publicado 1965
“...United States. Agency for International Development....”
Revista
4
por Miller, Paul R., 1905-
Publicado 1976
“...Production and distribution by the American Phytopathological Society for the United States Agency...”Publicado 1976
Libro
5
Publicado 1984
“...United States. Agency for International Development....”
Libro
6
Publicado 1990
“...United States. Agency for International Development....”
Libro