Voortman RL, Sonneveld BGJS, Langeveld JWA, Fischer G, van Velthuizen HT (1998)
Climate Change and Global Agricultural Potential: A Case Study of Nigeria
Centre for World Food Studies, Free University (SOW-VU), Amsterdam, Netherlands, and International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria. SOW-VU Staff Working Paper No. 99-06 [1998] More
Langeveld JWA (1994)
Nutrient Efficiency in Dairy Farming: Nitrogen, Phosphorus, and Potassium Use in the Netherlands, Spain, and Poland
IIASA Working Paper WP-94-014 (March 1994) More