Aerial videography : principles and implementation Environment, cartography, demography and geographical information system in the refugee camps Dadaab, Kakuma-Kenya : 2 /Souris, Marc TRANSFERT DE POPULATION REFUGIE SYSTEME D'INFORMATION GEOGRAPHIQUE ACQUISITION DE DONNEES IMAGE NUMERIQUE PHOTOGRAPHIE AERIENNE IMAGE SATELLITE CARTOGRAPHIE METHODOLOGIE CAMP DE REFUGIES VIDEOGRAPHIE AERIENNE GPS LOGICIEL SAVANE UNHCR IRD 1999 text https://www.documentation.ird.fr/hor/fdi:010019834 fdi:010019834 Souris Marc. Aerial videography : principles and implementation. In : . Environment, cartography, demography and geographical information system in the refugee camps Dadaab, Kakuma-Kenya : 2 UNHCR ; IRD, 1999, 54 multigr. EN KENYA