Health aspects of treated sewage re-use. Report on an WHO Seminar, Algiers 1-5 June 1980.
Card's contents:604,641 604,717 HEALTH Health aspects of treated sewage re-use. Report on an WHO Seminar, Algiers 1-5 June 1980. Copenhagen 1981 Regional Office for Europe World Health Organization 8° s, nlb, 4, 42, nib, 2 EURO Reports and Studies 42