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1Water quality surveys; a guide for the collection and interpretation of water quality data - Prepared by the IHD/WHO Working Group on Quality of Water Water quality surveys; a guide for the collection and interpretation of water quality data - Prepared by the IHD/WHO Working Group on Quality of Waterby Gilbrich, W.H., International Hydrological Decade, 75 - Paris (France) eng, Helmer, R., Gale, R.M., Siddiqi, R.H., World Health Organization, Geneva (Switzerland) eng
Published 1978Texto bibliotecaFAO IT -
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3by Iqbal, M.M., Joint FAO/IAEA Div. of Atomic Energy in Food and Agriculture, Vienna (Austria) eng, Research Co-ordination Meeting on Soil Nitrogen as Fertilizer or Pollutant eng 3 Jul 1978 Piracicaba (Brazil), Siddiqi, S.H., Gesellschaft fuer Strahlen- und Umweltforschung G.m.b.H., Munich (Germany, F.R.) oth
Published JunTexto bibliotecaFAO IT