Report of the twenty-third session of the FAO Arabian Peninsular Des ert Locust Control Sub-committee held in Amman, Jordan 22-26 July, 1964 . - Food and Agriculture Organization of the United Nations. Arabian Peninsular Desert Locust Sub-committee.; Food and Agriculture Organization of the United Nations. Plant Pr oduction and Protection Division (Rome, Italy : Plant Production and Protection Division, Food and Agriculture Organization of the United Nations, 1964)