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2. Mineral nutrition and growth responses of Pisum roots;Burström;Z. Pflanzenphysiol.,1981
3. Microtubules;Dustin,1978
4. Colchicine in Agriculture, Medicine, Biology, and Chemistry;Eigsti,1955
5. Mitotic activity at the shoot apex of Azolla filiculoides;Gifford;Amer. J. Bot.,1981