"id","author_first1","author_last1","title","year","publication","place","keyword0","keyword1","keyword2","keyword3","keyword4","keyword5","keyword6","keyword7","keyword8","type"
"1894","Horst","Kopp","Agrargeographie der Arabischen Republik Jemen: Landnutzung und agrarsoziale Verhältnisse in einem islamisch-orientalischen Entwicklungsland mit alter bäuerlicher Kultur","1981","Erlanger Geographische Arbeiten Sonderband 11","Erlangen","Agriculture","Ghayl","Irrigation","Maps","Migration","PDRY","Qat","Regions","Sayl","report"