FR2880552-A1  DATABASE EMBASE Online ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, BOUDOU J P ET AL: &quot;Elimination of iron and manganese: Value of biologic methods&quot; XP002343865 Database accession no. EMB-1985201396 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 1, 1985, pages 151-155,;  DATABASE EMBASE Online ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, D&apos;ANSELME B ET AL: &quot;General description of rapid plugging of aquifers&quot; XP002343866 Database accession no. EMB-1985217411 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 2, 1985, pages 151-155,;  DATABASE EMBASE Online ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, MOUCHET P ET AL: &quot;Elimination of iron and manganese from underground waters: Classical problems and recent progress&quot; XP002343864 Database accession no. EMB-1985201395 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 1, 1985, pages 137-149,;  DATABASE EMBASE [Online] ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, BOUDOU J P ET AL: "Elimination of iron and manganese: Value of biologic methods" XP002343865 Database accession no. EMB-1985201396 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 1, 1985, pages 151-155,;  DATABASE EMBASE [Online] ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, BOUDOU J P ET AL: &quot;Elimination of iron and manganese: Value of biologic methods&quot; XP002343865 Database accession no. EMB-1985201396 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 1, 1985, pages 151-155,;  DATABASE EMBASE [Online] ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, D&apos;ANSELME B ET AL: &quot;General description of rapid plugging of aquifers&quot; XP002343866 Database accession no. EMB-1985217411 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 2, 1985, pages 151-155,;  DATABASE EMBASE [Online] ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, D'ANSELME B ET AL: "General description of rapid plugging of aquifers" XP002343866 Database accession no. EMB-1985217411 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 2, 1985, pages 151-155,;  DATABASE EMBASE [Online] ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, MOUCHET P ET AL: "Elimination of iron and manganese from underground waters: Classical problems and recent progress" XP002343864 Database accession no. EMB-1985201395 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 1, 1985, pages 137-149,;  DATABASE EMBASE [Online] ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, MOUCHET P ET AL: &quot;Elimination of iron and manganese from underground waters: Classical problems and recent progress&quot; XP002343864 Database accession no. EMB-1985201395 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 1, 1985, pages 137-149,;  DATABASE EMBASE Online ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, CZEKALLA C ET AL: &quot;Quantitative removal of iron and manganese by microorganisms in rapid sand filters (in situ investigations)&quot; XP002343867 Database accession no. EMB-1985201393 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 1, 1985, pages 111-123,;  DATABASE EMBASE [Online] ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, CZEKALLA C ET AL: "Quantitative removal of iron and manganese by microorganisms in rapid sand filters (in situ investigations)" XP002343867 Database accession no. EMB-1985201393 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 1, 1985, pages 111-123,;  DATABASE EMBASE [Online] ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL; 1985, CZEKALLA C ET AL: &quot;Quantitative removal of iron and manganese by microorganisms in rapid sand filters (in situ investigations)&quot; XP002343867 Database accession no. EMB-1985201393 &amp; WATER SUPPLY 1985 UNITED KINGDOM, vol. 3, no. 1, 1985, pages 111-123,;  PATENT ABSTRACTS OF JAPAN vol. 014, no. 030 (C-678), 19 janvier 1990 (1990-01-19) & JP 01 266897 A (KEIJI GOTO), 24 octobre 1989 (1989-10-24);  PATENT ABSTRACTS OF JAPAN vol. 014, no. 030 (C-678), 19 janvier 1990 (1990-01-19) &amp; JP 01 266897 A (KEIJI GOTO), 24 octobre 1989 (1989-10-24)