Falkenmark, M.; Klohn, W.; Lundqvist, J.; Postel, S.; Rockstrom, J.; Seckler, D.; Shuval, H.; Wallace, J. 1998. Water scarcity as a key factor behind global food insecurity: Round table discussion. Ambio, 27(2):148-154.

water scarcity; food security; food shortage; food production; rain-fed farming; yields; water use efficiency; crop production