الوصول الحر: https://lup.lub.lu.se/record/2243225Testhttp://dx.doi.org/10.1016Test/j.physletb.2011.04.044
الإتاحة: https://doi.org/10.1016Test/j.physletb.2012.08.011https://hdl.handle.net/11511/52374Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=r3c4b2081b22::e1dfd896bbc571e6475dd3ea40fe512dTest
الإتاحة: https://doi.org/10.1016Test/j.physletb.2012.08.011https://avesis.metu.edu.tr/publication/details/46758c37-e903-458d-8891-0466407a94b9/oaiTest
الإتاحة: https://doi.org/10.1016Test/j.physletb.2011.04.044https://avesis.metu.edu.tr/publication/details/813b5228-e7da-40cb-8a66-772d704a94fb/oaiTest