1. APOPO. 2013 Annual report 2013 http://www.scribd.com/doc/221544099/APOPO-2013-Annual-Report
2. CEN 2008 Humanitarian mine action-follow-on processes after the use of demining machines http://www.mineactionstandards.org/fileadmin/MAS/documents/cen-workshop-agreements/CWA-15832-2008-Post-Mechanical-Clearance-Requirements.pdf
3. 2008 Operational procedures for mine detection dogs
4. 2008 Operational testing of mine detection dogs and handlers
5. Evaluating landmine-detection rats in operational conditions;Mahoney;Journal of ERW and Mine Action,2014