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Giovanna Gomersbach de Lege

De Schoonheid van Water ~ goud van de toekomst

De Schoonheid van Water | goud van de toekomst : Pagina 307

Miron Violet Glas
https://www.marcusrohrerspirulina.org/nl/kwaliteit/

Eau, no: Clean, healthy and pure? Hardly. Bottled water is killing the planet
http://news.independent.co.uk/environment/article344959.ece

Lloyd Alter ~ Treehugger
http://www.treehugger.com/files/2007/02/pablo_calculate.php

Erwin Wagenhofer ~ We Feed the World Docu

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