Mallick, K. A., Hasnain, S., Khan, E. and Farooqui, M. (1991) “Geochemical Dispersion of Copper in Lake Bottom Sediments of Lokken Area, Norway”, Journal of Himalayan Earth Sciences, 24(1), pp. 147-160. Available at: http://ojs.uop.edu.pk/jhes/article/view/1398 (Accessed: 4January2025).