Wasim, M., M. Arif, and J. H. Zaidi. “US CONTINENTAL NUCLEAR TESTS CONDUCTED DURING 1961–1992 : STATISTICAL ANALYSIS”. The Nucleus, vol. 47, no. 1, Jan. 2010, pp. 47-53, http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/910.