الإتاحة: https://doi.org/10.3847/1538-4357/aaf726Testhttps://qmro.qmul.ac.uk/xmlui/handle/123456789/55543Test
الإتاحة: https://doi.org/10.3847/1538-4357/aa86f0Testhttps://qmro.qmul.ac.uk/xmlui/handle/123456789/55176Test
الإتاحة: https://doi.org/10.1088/0264-9381/33/13/134001Testhttps://eprints.whiterose.ac.uk/102486Test/https://eprints.whiterose.ac.uk/102486/1/cqg_33_13_134001.pdfTest