"id","author_first1","author_last1","title","year","btitle","publisher","edition","place","pages","keyword0","keyword1","keyword2","keyword3","keyword4","keyword5","type"
"1788","Hans","Gebhardt","Towns, roads, markets and economic geographical development in the Yemen Arab Republic","1986","Petites villes et villes moyennes dans le Monde Arabe. Vol 1","Centre d'Études et de Recherches URBAMA (Urbanisation du Monde Arabe)","Fascicule de Recherches N","Tours","210-29","Amran","Markets","Migration","Remittances","Roads","YAR","chapter"