| Id | Name | Link | 
|---|---|---|
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| 2 | Venumadhav et al. (2019) | https://ui.adsabs.harvard.edu/abs/2019arXiv190407214V | 
| 3 | Gandhi et al. (2019) | https://ui.adsabs.harvard.edu/abs/2019MNRAS.485.2642G | 
| 4 | Corral-Santana et al. (2016) | https://ui.adsabs.harvard.edu/abs/2016A%26A...587A..61C | 
| 5 | Tetarentko et al. (2016) | https://ui.adsabs.harvard.edu/abs/2016ApJS..222...15T/ | 
| 6 | Wiktorowicz et al. (2014) | https://ui.adsabs.harvard.edu/abs/2014bsee.confE..37W | 
| 7 | Casares & Jonker (2014) | https://ui.adsabs.harvard.edu/abs/2014SSRv..183..223C | 
| 8 | McClintock et al. (2014) | https://ui.adsabs.harvard.edu/abs/2014SSRv..183..295M | 
| 9 | Torres et al. (2019) | https://ui.adsabs.harvard.edu/abs/2019ApJ...882L..21T/abstract | 
| 10 | Atri et al. (2020) | https://ui.adsabs.harvard.edu/abs/2020MNRAS.tmpL..10A/abstract | 
| 11 | Charles et al. (2019) | https://ui.adsabs.harvard.edu/abs/2019MNRAS.489L..47C/abstract | 
| 12 | Mata Sanchez et al. (2015) | https://ui.adsabs.harvard.edu/abs/2015MNRAS.454.2199M/abstract | 
| 13 | Corral-Santana et al. (2013) | https://ui.adsabs.harvard.edu/abs/2013Sci...339.1048C/abstract | 
| 14 | Casares et al. (2014) | https://ui.adsabs.harvard.edu/abs/2014Natur.505..378C | 
| 15 | Khokhlov et al. (2018) | https://ui.adsabs.harvard.edu/abs/2018ApJ...856..158K | 
| 16 | Liu et al. (2019) | https://ui.adsabs.harvard.edu/abs/2019Natur.575..618L | 
| 17 | Thompson et al. (2019) | https://ui.adsabs.harvard.edu/abs/2019Sci...366..637T | 
| 18 | Strader et al. (2012) | https://ui.adsabs.harvard.edu/abs/2012Natur.490...71S/abstract | 
| 19 | Chomiuk et al. (2013) | https://ui.adsabs.harvard.edu/abs/2013ApJ...777...69C/abstract | 
| 20 | Bahramian et al. (2017) | https://ui.adsabs.harvard.edu/abs/2017MNRAS.467.2199B/abstract | 
| 21 | Miller-Jones et al. (2015) | https://ui.adsabs.harvard.edu/abs/2015MNRAS.453.3918M/abstract | 
| 22 | Giesers et al. (2018) | https://ui.adsabs.harvard.edu/abs/2018MNRAS.475L..15G/abstract | 
| 23 | Maccarone et al. (2011) | https://ui.adsabs.harvard.edu/abs/2018MNRAS.475L..15G/abstract | 
| 24 | Maccarone et al. (2011) | https://ui.adsabs.harvard.edu/abs/2007Natur.445..183M/abstract | 
| 25 | Shih et al. (2010) | https://ui.adsabs.harvard.edu/abs/2010ApJ...721..323S/abstract | 
| 26 | Brassington et al. (2010) | https://ui.adsabs.harvard.edu/abs/2010ApJ...725.1805B/abstract | 
| 27 | Minniti et al. (2015) | https://ui.adsabs.harvard.edu/abs/2015ApJ...810L..20M | 
| 28 | Xu et al. 2020 | https://arxiv.org/abs/2003.03465 | 
| 29 | Ziolkowski et al. (2014) | https://ui.adsabs.harvard.edu/abs/2014MNRAS.440L..61Z | 
| 30 | Rivinius et al. (2020) | https://ui.adsabs.harvard.edu/abs/2020arXiv200502541R | 
| 31 | Tominaga et al. (2020) | https://ui.adsabs.harvard.edu/abs/2020arXiv200403192T | 
| 32 | Jana et al. (2020) | https://ui.adsabs.harvard.edu/abs/2020ApJ...897....3J |