1. The Indian nitrogen assessment: Sources of reactive nitrogen, environmental and climate effects, management options, and policies,2017
2. Global phosphorus shortage will be aggravated by soil erosion;Alewell;Nat. Commun.,2020
3. World agriculture: towards 2000;Alexandratos,1988
4. World agriculture: towards 2010;Alexandratos,1995
5. World Agriculture Towards 2030/2050;Alexandratos,2012