Summary of the fifth national developement plan 1973- 1978

/ ()

New discoveries of phosphate in Iran

/ M. Samimi namin, M. Movahed Aval, A. Haghipour(Movahed Aval, M.-Haghipour, A.)

Upper devonian and lower mississippian conodont zones Montana, Wyoming and south Dakota

/ by Gilbert Klapper()

Divrigi iron mines

/ By Irfan Pehlivan()

Results of integrated geophysical studies in Anarak area( central Iran) contract 73105

V.Popov