Un Nouvel Horizon a Vertebres Dans La Coupe- type de la Formation de Khush - Veilagh ( Devonien Moyen ) , Alborz Oriental, Mazenderan, Iran

A Method to Calculate the Frequency Effect and Chargeability of Induced Polarization in an Inhomogeneous Medium

The Role of Erosion in Mountain Building

Pseudaethesolithon, A Cacareous Alga From the Fars ( Persian Miocence )

Elasic Constants of the Central Force Model for Three Cubic Structures