Rien van de Weygaert; Platen, Erwin; Tigrak, Esra; Hidding, Johan; Thijs van der Hulst; Aragon-Calvo, Miguel A.; Stanonik, Kathryn; Jacqueline van Gorkom (17 Dec 2009). "The Cosmically Depressed: Life, Sociology and Identity of Voids". Galaxies in Isolation: Exploring Nature Versus Nurture. 421: 99. arXiv:0912.3473v1. Bibcode:2010ASPC..421...99V.
Alpaslan, Mehmet; Robotham, Aaron S. G.; Obreschkow, Danail; Penny, Samantha; Driver, Simon; Norberg, Peder; Brough, Sarah; Brown, Michael; Cluver, Michelle; Holwerda, Benne; Hopkins, Andrew M.; van Kampen, Eelco; Kelvin, Lee S.; Lara-Lopez, Maritza A.; Liske, Jochen; Loveday, Jon; Mahajan, Smriti; Pimbblet, Kevin (2014-05-01). "Galaxy and Mass Assembly (GAMA): fine filaments of galaxies detected within voids". Monthly Notices of the Royal Astronomical Society: Letters. 440 (1): L106–L110. arXiv:1401.7331. Bibcode:2014MNRAS.440L.106A. doi:10.1093/mnrasl/slu019.
Alpaslan, Mehmet; Robotham, Aaron S. G.; Obreschkow, Danail; Penny, Samantha; Driver, Simon; Norberg, Peder; Brough, Sarah; Brown, Michael; Cluver, Michelle; Holwerda, Benne; Hopkins, Andrew M.; van Kampen, Eelco; Kelvin, Lee S.; Lara-Lopez, Maritza A.; Liske, Jochen; Loveday, Jon; Mahajan, Smriti; Pimbblet, Kevin (2014-05-01). "Galaxy and Mass Assembly (GAMA): fine filaments of galaxies detected within voids". Monthly Notices of the Royal Astronomical Society: Letters. 440 (1): L106–L110. arXiv:1401.7331. Bibcode:2014MNRAS.440L.106A. doi:10.1093/mnrasl/slu019.
Rien van de Weygaert; Platen, Erwin; Tigrak, Esra; Hidding, Johan; Thijs van der Hulst; Aragon-Calvo, Miguel A.; Stanonik, Kathryn; Jacqueline van Gorkom (17 Dec 2009). "The Cosmically Depressed: Life, Sociology and Identity of Voids". Galaxies in Isolation: Exploring Nature Versus Nurture. 421: 99. arXiv:0912.3473v1. Bibcode:2010ASPC..421...99V.
Alpaslan, Mehmet; Robotham, Aaron S. G.; Obreschkow, Danail; Penny, Samantha; Driver, Simon; Norberg, Peder; Brough, Sarah; Brown, Michael; Cluver, Michelle; Holwerda, Benne; Hopkins, Andrew M.; van Kampen, Eelco; Kelvin, Lee S.; Lara-Lopez, Maritza A.; Liske, Jochen; Loveday, Jon; Mahajan, Smriti; Pimbblet, Kevin (2014-05-01). "Galaxy and Mass Assembly (GAMA): fine filaments of galaxies detected within voids". Monthly Notices of the Royal Astronomical Society: Letters. 440 (1): L106–L110. arXiv:1401.7331. Bibcode:2014MNRAS.440L.106A. doi:10.1093/mnrasl/slu019.
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Astronomy and Astrophysics, "Results of a search for faint galaxies in voids", Kuhn, B. ; Hopp, U. ; Elsaesser, H. ;, 'v.318', 02/1997, Bibcode: 1997A&A...318..405K