Rigby, D.; Caceres, D. Organic farming and the sustainability of agricultural systems. Agricultural Systems. 2001. 68:1 p.21-40
Fafchamps, M. Cash crop production, food price volatility, and rural market integration in the Third World. American Journal of Agricultural Economics. 1992. 74:1 p.90-99. Frequently cited article that argues for the importance of food self-sufficiency.
Fredrikkson, H., et al. Use of on-farm produced biofuels on organic farms – Evaluation of energy balances and environmental loads for three possible fuels. Agricultural Systems. 2006. 89:1 p.184-203.