00499 2200121 4500245018100000020001800181110004000199650004200239005001900281260005400300041001200354084001100366 aGuidelines For The Control And Management Of Ships' Ballast Water To Minimize The Transfer Of Harmful Aquatic Organisms And PathogenscInternational Maritime OrganizationhText a92-801-1454-9 aInternational Maritime Organization aManagement Discharge of Ballast Water a20240925143842 aLondonbInternational Maritime Organizationc1998 aEnglish a623.82