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Shepherd: A Memoir

Shepherd: A Memoir by: Gilbert, Richard Publisher: Michigan State University Press ( 2014-05-01 ) ISBN-13: 9781611861174...

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Advances in Agronomy

Advances in Agronomy by: Sparks, Donald L Publisher: Elsevier Science ( 2014-04-26 ) ISBN-13: 9780128001325 e-ISBN-13: 9...

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