Biological control in crop production : invited papers presented at a symposium held May 18-21, 1980, at the Beltsville Agricultural Research Center (BARC), Beltsville, Maryland. --
Formato: | Libro |
---|---|
Lenguaje: | English |
Publicado: |
London, Sydney :
Granada,
1981.
|
Colección: | Beltsville symposia in agricultural research ;
5) |
Materias: |
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