1. Ahmad, K. J.: On stomatal abnormalities inSolanaceae. - Soi. Cult.30: 349–351, 1964a.
2. Ahmad, K. J.: Cuticular studies with special reference to abnormal stomatal cells inCestrum. - J. ind. bot. Soc.43: 165–177, 1964b.
3. Chandra, V.: Epidermal studies on some Solanaceous plants. - Ind. J. Pharm.29: 227 to 229, 1967.
4. Cooper, M. J., Digby, J., Cooper, P. J.: Effects of plant hormones on the stomata of barley: a study of interaction between abscisic acid and kinetin. - Planta.105: 43–49, 1972.
5. Guyot, M.: Action de la colchicine sur le developpement des stomates deVicia faba L. - Compt. rend. Séances Soc. Biol. Fil.158: 1722–1726, 1964.