The Complete Local Volume Groups Sample - I. Sample selection and X-ray properties of the high-richness subsampleDOI: info:10.1093/mnras/stx2078v. 4721482–1505
O'Sullivan, Ewan, Ponman, Trevor J., Kolokythas, Konstantinos, Raychaudhury, Somak, Babul, Arif, Vrtilek, Jan M., David, Laurence P., Giacintucci, Simona, Gitti, Myriam, and Haines, Chris P. 2017. "The Complete Local Volume Groups Sample - I. Sample selection and X-ray properties of the high-richness subsample." Monthly Notices of the Royal Astronomical Society, 472 1482–1505. https://doi.org/10.1093/mnras/stx2078.