1.
Carbon-Nitrogen-Sulfur : Human Interference in Grand Biospheric Cycles
by Smil, V.
ISBN: 9781468488418
List Price: $99.00
2.
Energy Analysis and Agriculture An Application to U.S. Corn Production
by Smil, Vaclav, Nachman, Paul...
ISBN: 9780865311671
List Price: $35.50
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Carbon-Nitrogen-Sulfur : Human Interference in Grand Biospheric Cycles
by Smil, V.
ISBN: 9781468488401
List Price: $24.99