Appropriate technology for the treatment of wastewaters for small rural communities : Report on a WHO meeting Lyon 7-11 June 1982. - Copenhagen: World Health Organization Regional Office for Europe, [1985].
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EURO REPORTS AND STUDIES /WHO : 90 544,270 APPROPRIATE Appropriate technology for the treatment of wastewaters for small rural communities : Report on a WHO meeting Lyon 7-11 June 1982. - Copenhagen: World Health Organization Regional Office for Europe, [1985]. - [4], 62 s.: wykr.; 21 cm (EURO Reports and Studies / WHO ; 90) ISBN 92-890-1256-0
