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APA Citation
Capellupo, D. M., Netzer, H., Lira, P., Trakhtenbrot, B., & Mejía-Restrepo, J. (2016). active galactic nuclei at z ∼ 1.5 – III. Accretion discs and black hole spin. Monthly notices of the Royal Astronomical Society, 460(1), 212–226. http://access.bl.uk/ark:/81055/vdc_100162430513.0x000045