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Animal diseases in tropical and subtropical regions : their causes and control / by Jürgen Schneider ; [transl. from the German by Herbert Liebscher in collab. with Dressler].
- Edition Leipzig,
- cop. 1967.
- Leipzig :
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Rice : irrigation, preparation of land, cultivation and after-cultivation, weed control, manuring and fertilising, plant protection, chemical composition, processing and use, byproducts / by Gerhard Grümmer ; transl. from the German by Herbert Liebscher.
- Edition Leipzig,
- cop. 1970.
- Leipzig :
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Grain-maize : mechanised production in the tropical and subtropical regions / by Peter Glanze ; [transl. from the German by Herbert Liebscher].
- Edition Leipzig,
- 1972.
- Leipzig :