Stellar modelling of PSR J1614-2230 using the Karmarkar condition Satyanarayana Gedela, Ravindra K. Bisht and Neeraj Pant Eur. Phys. J. A, 54 11 (2018) 207 Published online: 30 November 2018 DOI: 10.1140/epja/i2018-12637-8