Know how to produce more cotton /
[authors: Eugen Kisselmann and the Research Department of Farben-Fabriken Bayer A.G., Leverkusen, Abteilung Pflanzenschutz ; incooperation with Internationes, Bad Godesberg].
- Munchen : Battenberg, [1969]
- Know how. A book collection for tropical countries Know how. A book collection for tropical countries .