}}{{dead link|date=February 2019|bot=medic}}{{cbignore|bot=medic}}</ref> Nevertheless, one can derive such quantity as, e.g., elbow strength as a quantitative measure of whether there is an elbow or not and how prominent it is, as was done, for example, in <ref>{{cite arXiv|last1=Kolesnichenko|first1=Pavel V.|last2=Zhang|first2=Qianhui|last3=Zheng|first3=Changxi|last4=Fuhrer|first4=Michael S.|last5=Davis|first5=Jeffrey A.|title=Multidimensional Analysis of Excitonic Spectra of Monolayers of Tungsten Disulphide: Towards Computer Aided Identification of Structural and Environmental Perturbations of 2D Materials|class=cond-mat.mes-hall|date=2020|arxiv=2003.01904}}</ref>.
