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Danyel I. Hampson, Silvia Ferrini, Dan Rigby, Ian J. Bateman
Pág. 1 - 18
An important motivation for the implementation of the Water Framework Directive is the creation of non-market environmental benefits, such as improved ecological quality, or greater opportunities for open-access river recreation via microbial pollution r...
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Ali A. Ameri, David L. Rigby, Erlendur Steinthorsson, James Heidmann and John C. Fabian
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Mercedes di Pasquo
Pág. 95 - 124
Fossil plant remains found in the Tarija Formation cropping out at the Aguas Blancas creek, Aguaragüe range, Salta Province, Argentina, are analy sed and illustrated for the first time. Two new species, Malanzania starckii (Lycophyte) and Grumosisporites...
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Ball, D.F.; Rigby, J.
Pág. 134
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Blanchard, Terry L.; Brinsko, Steven P.; Rigby, Sherri L.
Pág. 165 - 169
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Rigby, Darrell
Pág. 8 - 13
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James D. Heidmann, David L. Rigby, and Ali A. Ameri
Pág. 348 - 359
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Rigby, S.; Hill, J.; Miller, C.; Thompson, J.; Varner, D.; Blanchard, T.
Pág. 1143 - 1150
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