| Publication Type: | Book |
| Year of Publication: | 1979 |
| Authors: | M. L. Roonwal, Verma, S. C., Thakur, M. L. |
| Series Title: | Proceedings of the Indian National Science Academy, (B) |
| Volume: | 45 |
| Publication Type: | Book |
| Year of Publication: | 1979 |
| Authors: | M. L. Roonwal, Verma, S. C., Thakur, M. L. |
| Series Title: | Proceedings of the Indian National Science Academy, (B) |
| Volume: | 45 |