الإتاحة: https://doi.org/20.500.11850/118305Testhttps://doi.org/10.3929/ethz-b-000118305Testhttps://doi.org/10.1007/s10858-016-0040-2Testhttps://hdl.handle.net/20.500.11850/118305Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::51a3adaaacb974e02546cc5bdd2e5f1bTest