00321nam a2200097Ia 4500008004100000100003100041245010700072260002700179260000900206300000800215200302s9999    xx            000 0 und d  aFelix Heisel and other ed.  aLessons of informality architecture and urban planning for emerging territories-concepts from ethiopia  bBirkhauser Verlag Gmbh  c2016  a222