Iqbal, M. A., M. Tufail, and A. Mahmood. “RADON CONCENTRATION MEASUREMENTS FOR DETERMINATION OF RADIATION DOSE AND ASSESSMENT OF CANCER RISK IN THE PREMISES OF SOME COLLEGES IN LAHORE, PAKISTAN”. The Nucleus, vol. 47, no. 4, Dec. 2010, pp. 279-85, http://202.83.167.189/index.php/Nucleus/article/view/873.