(1)
Khattak, N. U.; Akram, M. .; Ullah, K.; Qureshi, A. A.; Qureshi, I. E. Recognition of Emplacement Time of Jambil Carbonatites from NW Pakistan: Constraints from Fission-Track Dating of Apatite Using Age Standard Approach (the ΞΆ Method). jhes 2004, 37, 127-138.