Yasin Unluturk, Cumali Ekici and Yasin Unluturk (2014) “Parallel Surfaces Satisfying the Properties of Ruled Surfaces in Minkowski 3-Space”, Global Journal of Science Frontier Research, 14(F1), pp. 91–106. Available at: https://journalofscience.org/index.php/GJSFR/article/view/1243 (Accessed: 2 May 2024).