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2. The metabolism of 1-aminocyclopropane-1-carboxylic acid;Amrhein,1982
3. Regulation des Phytohormongehaltes und seine Beeinflussung durch synthetische Wachstumsregulatoren. — Eine Einführung;Bangerth,1983
4. Reorientation of microfibrils and microtubules at the outer epidermal wall of maize coleoptiles during auxin mediated growth;Bergfeld;Botanica Acta,1987
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