{"id":"000086219","type":"book","title":"Crystallinity index of some cherts from the Ulldemolins complex and the Montblanc formation (Tarragona, Spain)","pages":"111-116","container-title":"Siliceous rocks and culture ; [VI International Flint Symposium held in Madrid, Sept. 1991","author":[{"family":"Doce Goicoechea","given":"R."}]}