Skip to main content
Have a personal or library account? Click to login

Download Article

Download the full article as a PDF file.

Journal eISSN: 2362-0161
Language: English
Page range: 31 - 38
Published on: Jun 30, 1979
Published by: National Science Foundation of Sri Lanka
In partnership with: Paradigm Publishing Services

© 1979 D. V. M. Geevaratne, E. R. Jansz, C. Umapathy, A. A. Sunil Gamini, A. Makhmudov, N. S. K. Ramasundara, published by National Science Foundation of Sri Lanka
This work is licensed under the Creative Commons License.