1. Irradiation of sweetpotatoes from Hawaii;APHIS (Animal and Plant Health Inspection Service);Federal Register,2003
2. A Phytosanitary hazard analysis and critical control point (P-HACCP) system as a new alternative for SPS quarantine pest risk management and trade facilitation;APHIS (Animal and Plant Health Inspection Service),2006
3. Approval of irradiation facilities. APPPC RSPM;APPPC (Asia and Pacific Plant Protection Commission),2014