1. Global Distribution of Soil Phosphorus Retention Potential;Batjes,2011
2. The Real Cost of Cheap Food;Carolan,2011
3. Closing the phosphorus loop;Christen;Environmental Science and Technology,2007
4. The future distribution and production of global phosphate rock reserves;Cooper;Resources Conservation and Recycling,2011
5. The story of phosphorus: global food security and food for thought;Cordell;Global Environmental Change,2009