1.
Zeitler P, Tahirkheli RAK, Naeser C, Johnson N, Lyons J. Preliminary Fission Track Ages from the Swat Valley, Northern Pakistan. jhes [Internet]. 1980Oct.30 [cited 2024Nov.28];13(1):63-5. Available from: http://ojs.uop.edu.pk/jhes/article/view/1184