@MISC {BOUWMEESTER:2010b, title = {GPS and GIS an introduction to the Rusizi valley}, author = {Bouwmeester, H. }, year = {2010}, month = {January}, howpublished = {Paper presentated at the Regional Disease Surveillance Workshop for Banana, Rwanda 25-29 January}, note = {Paper presentation at the Regional Disease Surveillance Workshop for Banana Rwanda 25-29 January, 2010. 29p.}, }