Report of bench- scale studies of nitric sulfuric acidulation process

/ by: process engineering branch diuision of chemical development tennessee valley authority()

Travelling across Azarbaijan from east to west

/ ()

Reconnaissance of sulphur deposits in Persian Gulf area

/ by N. Taghizadeh()

Additional observations in the Niriz area

/ by E. Ricou()

Reconnaissance Geologique du massif du Sahand (Azerbaidjan)

/ par P. Bordet et M. Berberian(Berberian, M.)