"id","author_first1","author_last1","title","year","publication","place","keyword0","keyword1","type"
"1921","Rudolf","Schoch","Land-Cover Studies and Crop Acreage Estimates from Aerial Photography and Satellite Imagery.  A Case Study in the Region of Taizz-Turbah, Yemen Arab Republic","1982","Geographisches Institut Zürich, Remote Sensing Series, No. 5","Zürich","Agriculture","Migration","report"