{"id":"000086217","type":"book","title":"Chert in continental evaporites of the Ebro and Calatayud basins (Spain) : distribution and significance","publisher-place":"Granada","pages":"75-89","container-title":"Siliceous rocks and culture ; [VI International Flint Symposium held in Madrid, Sept. 1991","author":[{"family":"Ortí Miralles","given":"F. (Francisco)"}],"issued":{"raw":"1997"}}