Schoonhoven, A.V.
Use of vegetable oils to protect stored beans from bruchid attack A.V. Schoonhoven - [S.l] [s.n]
Insecticides p
633.898 / SCH
Use of vegetable oils to protect stored beans from bruchid attack A.V. Schoonhoven - [S.l] [s.n]
Insecticides p
633.898 / SCH