E. de Lange,
Manual for simple water quality analysis. Amsterdam, The Netherlands: International Water Tribunal Foundation, 1994, p. ca. 140 p.: ill.
E. de Lange,
Manual para el analisis simple de la calidad del agua. The Hague, The Netherlands: International Water Tribunal Foundation, 1994, p. ca. 150 p.: ill.
E. de Lange,
Manual pour l'analyse simple de la qualite d'eau. Amsterdam, The Netherlands: International Water Tribunal Foundation, 1994, p. ca. 150 p.: ill.
