000			nam a22 7a 4500
999			_c11545 _d11545
005			20240325134554.0
008			240325b xxu||||| |||| 00| 0 eng d
040			_aSLIDA _cSLIDA _dSLIDA
041			_aeng
082			_223 _aX55.588:33 _bMAR
245			_aSeasonality and Health : _bA Study of the social - economic environment of ill - health in five location / _cPerera, P.D.A., Fernando, J., Fernando, E. _hEnglish.
260			_aColombo : _bMaga institute, _c1988.
300			_a135 p.: _bill. maps, diagrams ; _c28cm
942			_2ddc _cLEN