Cite
MLA Citation
F. D'Ammando et al.. “Multiwavelength observations of the γ-ray-emitting narrow-line Seyfert 1 PMN J0948+0022 in 2011.” Monthly notices of the Royal Astronomical Society, vol. 438, no. 4, 2014, pp. 3521–3534. http://access.bl.uk/ark:/81055/vdc_100151518867.0x00005a