Michel, U. Earth Resources and Environmental Remote Sensing/GIS Applications IX. SPIE Digital Library.
Citazione stile Chigago Style (17a edizione)Michel, Ulrich. Earth Resources and Environmental Remote Sensing/GIS Applications IX. SPIE Digital Library.
Citatione MLA (8a ed.)Michel, Ulrich. Earth Resources and Environmental Remote Sensing/GIS Applications IX. SPIE Digital Library.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.