الوصول الحر: http://arxiv.org/abs/1502.01595Test

الوصول الحر: https://orbi.uliege.be/handle/2268/297571Test

الإتاحة: https://doi.org/10.1007/s10909-022-02808-7Test
https://hdl.handle.net/11392/2502923Test

الإتاحة: https://doi.org/10.1007/s10909-022-02808-7Test
https://hal.science/hal-03780418Test

الإتاحة: https://doi.org/10.1007/s10909-022-02808-7Test
http://www.osti.gov/servlets/purl/1987322Test
https://www.osti.gov/biblio/1987322Test

الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72bddd959bd2eada59bb21af8e0af61cTest
http://hdl.handle.net/10281/391688Test