X-ray spectral study of the Compton-thick Seyfert galaxy NGC 5135DOI: info:10.1111/j.1365-2966.2011.19861.xv. 419No. 32089–2094
Singh, Veeresh, Risaliti, Guido, Braito, Valentina, and Shastri, Prajval. 2012. "Suzaku X-ray spectral study of the Compton-thick Seyfert galaxy NGC 5135." Monthly Notices of the Royal Astronomical Society, 419, (3) 2089–2094. https://doi.org/10.1111/j.1365-2966.2011.19861.x.