Der Vulkan demavend in Persien

/ von Emil Tietze()

TVA process for production of granular diammonium phosphate

/ R. D. Young, G. C. Hicks and C. H. Davis(Hicks, G. C.-Davis, C. H.)

Geologie rt micropaleontologie( nummulites et palynologie) de la formation eocene de Ziarat, Elbourz oriental( Iran)

/ G. Stampfli, R. Jan du Chene et R. Herb(Chene, R.Jan-Herb,R)

Permian- Triassic boundry in Alborz range and central Iran

/ [H. Partoazar](Geological Survey of Iran)

Gol- E- Gohar iron ore project

/ By N. Valeh()