1. Ali, G., M. Purohit, M.H. Mughal, M. Iqbal and P.S. Srivastava. 1996. A rapid protocol for micropropagation ofBacopa monniera (I..) Wettst.--an important medicinal plant.Plant Tiss. Cult. Biotech. 2: 208–211.
2. Ali, G., M. Purohit, Saba, M. Iqbal and P.S. Srivastava. 1997. Morphogenic response and isozymes ofBacopa monniera (L.) Wettst. cultures grown under salt stress.Phytomorphology 47: 97–106.
3. Barcelo, J., C.H. Poschenrieder, M.D. Vazquez and B. Gunse. 1996. Aluminium phytotoxicity: a challenge for plant scientist.Pert. Res. 43: 217–226.
4. Bates, L.S., R.P. Waldren and J.D. Teare. 1973 Rapid determination of free proline for water stress studies.Plant Soil 39: 205–207.
5. Bennet, R.J., CM. Breen and M.V. Fey. 1987 The effects of aluminium on root cap function and root development inZca mays L.Environ. Exp. Bot. 27: 91–104.