18th World Congress of Soil Science (WCSS), 9–15 July 2006, Philadelphia, PA. Frontiers of Soil Science: Technology and the Information Age
2006 ◽
Vol 6
(2)
◽
pp. 121-121
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2011 ◽
Vol 44
(9)
◽
pp. 1041-1047
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2008 ◽
Vol 99
(6)
◽
pp. 873-874