Subject: purification of water

From: [email-masked] (Knoware demo gebruiker)
Date: Thu, 10 Aug 1995 11:08:27 +0200

Anyone who is familiar with results of research or experiences on the
purification of water by micro-organism and or bacteria living in the root
zone of Alnus glutinosa (zwarte els) is kindly requested to let me know,
here or on the e-mail adress [email-masked] 
thanks, Livina Tummers