Food and Agriculture Organization of the United Nations & European Commission on Agriculture. Working Party on Water Resources and Irrigation. (1971). Automated irrigation. FAO.

Food and Agriculture Organization of the United Nations and European Commission on Agriculture. Working Party on Water Resources and Irrigation. Automated Irrigation. Rome: FAO, 1971.

Food and Agriculture Organization of the United Nations and European Commission on Agriculture. Working Party on Water Resources and Irrigation. Automated Irrigation. FAO, 1971.