Aperture Synthesis with a Non-Regular Distribution of Interferometer Baselines, original publication by Jan Högbom about CLEAN, in the Astronomy and Astrophysics Supplement, Vol. 15, p.417 http://adsabs.harvard.edu/full/1974A%26AS...15..417H
The family of CLEAN algorithms, a chapter from the MAPPING software manual http://www.iram.fr/IRAMFR/GILDAS/doc/html/map-html/node37.html
Cornwell, T. J. (2009). "Hogbom's CLEAN algorithm. Impact on astronomy and beyond". Astronomy & Astrophysics. 500: 65–66. doi:10.1051/0004-6361/200912148. https://doi.org/10.1051%2F0004-6361%2F200912148
Cornwell, T. J. (2009). "Hogbom's CLEAN algorithm. Impact on astronomy and beyond". Astronomy & Astrophysics. 500: 65–66. doi:10.1051/0004-6361/200912148. https://doi.org/10.1051%2F0004-6361%2F200912148
The Event Horizon Telescope Collaboration (2019). "First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole". The Astrophysical Journal Letters. 875 (1): L1. arXiv:1906.11238. Bibcode:2019ApJ...875L...1E. doi:10.3847/2041-8213/ab0ec7. S2CID 145906806. https://doi.org/10.3847%2F2041-8213%2Fab0ec7
The Event Horizon Telescope Collaboration (2019). "First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole". The Astrophysical Journal Letters. 875 (1): L4. arXiv:1906.11241. Bibcode:2019ApJ...875L...4E. doi:10.3847/2041-8213/ab0e85. S2CID 146068771. https://doi.org/10.3847%2F2041-8213%2Fab0e85