Z.U.A. KHUHRO, F. N. MEMON, and A. P. HARRISON. “Quantifying the Variability in Graphs of RNA Structures Determined by Nuclear Magnetic Resonance”. Sindh University Research Journal - SURJ (Science Series), vol. 44, no. 2, June 2012, https://sujo.usindh.edu.pk/index.php/SURJ/article/view/5728.