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1
Dirt the erosion of civilizations /
Publicado em 2007An electronic book accessible through the World Wide Web; click to view
Recurso Eletrônico livro eletrônico -
2
Footprints in the soil people and ideas in soil history /
Publicado em 2006An electronic book accessible through the World Wide Web; click to view
Recurso Eletrônico Anais de Congresso livro eletrônico -
3
Dig in! hands-on soil investigations.
Publicado em 2001An electronic book accessible through the World Wide Web; click to view
Recurso Eletrônico livro eletrônico -
4
Physical and chemical methods in soil analysis fundamental concepts of analytical chemistry and instrumental techniques /
Publicado em 2005An electronic book accessible through the World Wide Web; click to view
Recurso Eletrônico livro eletrônico -
5
Frontiers in soil science research report of a workshop /
Publicado em 2009An electronic book accessible through the World Wide Web; click to view
Recurso Eletrônico livro eletrônico -
6
Dirt the erosion of civilizations /
Publicado em 2012An electronic book accessible through the World Wide Web; click to view
Recurso Eletrônico livro eletrônico -
7
Soil genesis and classification
Publicado em 2011An electronic book accessible through the World Wide Web; click to view
Recurso Eletrônico livro eletrônico -
8
Notes from the ground science, soil, and society in the American countryside /
Publicado em 2009An electronic book accessible through the World Wide Web; click to view
Recurso Eletrônico livro eletrônico