1. Berger, C., Witkus, E.: Further studies of the cytologioal effects of combined treatments with colohicine and naphthalene acetic acid. - Amer. J. Bot.36: 794–795, 1949.
2. Delcourt, A., Deysson, G.: Effects de la Trifluraline sur les Meristemes Eadiculaires d’Alliumsativum L. - Cytologia41: 75–84, 1976.
3. Eigsti, O. J., Dustin, P.: Colchicine in Agriculture, Medicine, Biology and Chemistry. - Iowa State Coll. Press, Ames, Iowa 1955.
4. Geremling, G.: Troubles morphologiques determinés par la colchicine chez végétaux. - Assoc. France Avanc. Sci.63: 595–607, 1939.
5. Hawkes, J.: Some effects of the drug colchicine on cell division. - J. Genet.44: 11–22, 1942.