TY  - BOOK
TI  - Proceedings of the nineteenth Annual session: Ceylon Association for the advancement of science: ශ්‍රී ලංකා විද්‍යාභිවර්ධන සංගමය
PY  - 1963///
CY  - Colombo
PB  - Ceylon Association for the Advancement  of Science
KW  - Conference Proceeding
ER  -