1. Food versus biofuels: environmental and economic costs;Pimentel;Hum Ecol,2009
2. Biofuels: efficiency, ethics, and limits to human appropriation of ecosystem services;Gomiero;J Agric Environ Ethics,2010
3. Graziano da Silva J: The US must take biofuel action to prevent a food crisis. In Financial Times, edn August 9, 2012.
4. Lewis B, Kambas M: EU commission to cap food-based biofuels in major shift. In Reuters, edn September 17; 2012.
5. Algae—the optimal crop and growth industry for Western Australia;Caspari,2012