Open access

Don't Know Responses in Water Quality Surveys

Written By

Zhihua Hu and Lois Wright Morton

Submitted: 18 April 2011 Published: 05 April 2012

DOI: 10.5772/33258

From the Edited Volume

Water Quality Monitoring and Assessment

Edited by Kostas Voudouris and Dimitra Voutsa

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Written By

Zhihua Hu and Lois Wright Morton

Submitted: 18 April 2011 Published: 05 April 2012