Late paleozoic conodonts from the ouachita and arbuckle mountains of Oklahoma
/ Elias, Maxim K., ; Maxim K. Elias
Report of the activities in the ruby project 2014
/ Keulen, Nynke, ; Nynke Keulen, Majken D. Poulsen and Rita Salimi
Report on a geological exploration of Baghou and neighbouring copper prospects
/ by H. Nicholas()
Benefication of Aghdarbond Coal by flotation
/ by George Aletan()
Investigation of zehabad lead, zinc flotation mill
/ R. Assefi(Geological Survey of Iran Mineral-dressing Devision)