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ISSN:1938-6478|2010|9|6941-6954

Water Environment Federation‎(2010)‎

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By Pentecost Allan   Franke Ulrich   in European Journal of Phycology

ISSN:0967-0262|45|4|345-353

Taylor & Francis Ltd‎(2010)‎

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By Franke Ulrich J.   in Entrepreneurship and Regional Development

ISSN:1464-5114|11|3|203-229

Routledge Ltd‎(1999)‎

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