Castor oil production and processing / [by H. Janson].
By: Janson, H. (Hermann) Janson, H. (Hermann).
Contributor(s): United Nations Industrial Development Organization.
Material type:
At head of title: United Nations Industrial Development Organization, Vienna.
"United Nations publication. Sales no. : E.74.II.B.11."
Paper delivered at a meeting held in Vienna in 1972.
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