"id","author_first1","author_last1","title","year","publication","place","type"
"1930","Rudolf","Straub","Böden als Nutzungspotential im System der semiariden Tropen.  Untersuchungen zur Bewertung von Bodeneigenschaften und Bodenwasserhaushalt am Beispiel des Bekkens von A ur (Nordjemen)","1986","Jemen-Studien Band 4","Wiesbaden","report"