ANNUAL Sessions (34th: Colombo: 1978)
Sri Lanka Association for the advancement of science-Proceedings of the 34th ann - Colombo Sri Lanka Association of the Advancement of science 1978 - 81, 248 p.
109373
Science-Research
506 / SRI
Sri Lanka Association for the advancement of science-Proceedings of the 34th ann - Colombo Sri Lanka Association of the Advancement of science 1978 - 81, 248 p.
109373
Science-Research
506 / SRI