000 00446nam a2200133Ia 4500
005 20250913131618.0
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041 _aEnglish
245 0 _aProceedings of the Thirteenth Annual session: Ceylon Association for the advancement of science
260 _aColombo :
_bCeylon Association for the Advancement of Science,
_c1971
300 _a109p.;
_c21cm
650 _aConference Proceeding
942 _cCP
999 _c150340
_d150340