By Pender John   Marr Alexander   Reeder Richard   in American Journal of Agricultural Economics

ISSN:0002-9092|94|2|535-541

Oxford University Press‎(2012)‎

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By Rouff ASHAKI A.   Reeder RICHARD J.   Fisher NICHOLAS S.   in Aquatic Geochemistry

ISSN:1380-6165|8|4|203-228

Springer Publishing Company ‎(2002)‎

Access to resources Favorite 7.3228455