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2Result(s)for '"Helfer Emil"'
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By Walski Thomas Edwards Bryce Helfer Emil Whitman Brian E in Water Environment Research
ISSN:1554-7531|81|7|709-714
Water Environment Federation(2009)
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10.237879
By Desai Anuradha M Rifai Hanadi Helfer Emil Moreno Norma Stein Ron in Water Environment Research
ISSN:1554-7531|82|4|302-318
Water Environment Federation(2010)
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8.190304