Gerssen, Joris; van der Marel, Roeland P.; Gebhardt, Karl; Guhathakurta, Puragra; Peterson, Ruth C.; Pryor, Carlton (December 2002). "Hubble Space Telescope Evidence for an Intermediate-Mass Black Hole in the Globular Cluster M15. II. Kinematic Analysis and Dynamical Modeling". The Astronomical Journal. 124 (6): 3270–3288. arXiv:astro-ph/0209315. Bibcode:2002AJ....124.3270G. doi:10.1086/344584. S2CID14234106. "Hubble Discovers Black Holes in Unexpected Places". HubbleSite. September 17, 2002. Retrieved October 31, 2007.
Gerssen, Joris; van der Marel, Roeland P.; Gebhardt, Karl; Guhathakurta, Puragra; Peterson, Ruth C.; Pryor, Carlton (December 2002). "Hubble Space Telescope Evidence for an Intermediate-Mass Black Hole in the Globular Cluster M15. II. Kinematic Analysis and Dynamical Modeling". The Astronomical Journal. 124 (6): 3270–3288. arXiv:astro-ph/0209315. Bibcode:2002AJ....124.3270G. doi:10.1086/344584. S2CID14234106. "Hubble Discovers Black Holes in Unexpected Places". HubbleSite. September 17, 2002. Retrieved October 31, 2007.
Knudson SK (2006). "The Old Quantum Theory for H2+: Some Chemical Implications". Journal of Chemical Education. 83 (3): 464–472. Bibcode:2006JChEd..83..464K. doi:10.1021/ed083p464. Strand MP, Reinhardt WP (1979). "Semiclassical quantization of the low lying electronic states of H2+". Journal of Chemical Physics. 70 (8): 3812–3827. Bibcode:1979JChPh..70.3812S. doi:10.1063/1.437932.
Gerssen, Joris; van der Marel, Roeland P.; Gebhardt, Karl; Guhathakurta, Puragra; Peterson, Ruth C.; Pryor, Carlton (December 2002). "Hubble Space Telescope Evidence for an Intermediate-Mass Black Hole in the Globular Cluster M15. II. Kinematic Analysis and Dynamical Modeling". The Astronomical Journal. 124 (6): 3270–3288. arXiv:astro-ph/0209315. Bibcode:2002AJ....124.3270G. doi:10.1086/344584. S2CID14234106. "Hubble Discovers Black Holes in Unexpected Places". HubbleSite. September 17, 2002. Retrieved October 31, 2007.
Knudson SK (2006). "The Old Quantum Theory for H2+: Some Chemical Implications". Journal of Chemical Education. 83 (3): 464–472. Bibcode:2006JChEd..83..464K. doi:10.1021/ed083p464. Strand MP, Reinhardt WP (1979). "Semiclassical quantization of the low lying electronic states of H2+". Journal of Chemical Physics. 70 (8): 3812–3827. Bibcode:1979JChPh..70.3812S. doi:10.1063/1.437932.
Gerssen, Joris; van der Marel, Roeland P.; Gebhardt, Karl; Guhathakurta, Puragra; Peterson, Ruth C.; Pryor, Carlton (December 2002). "Hubble Space Telescope Evidence for an Intermediate-Mass Black Hole in the Globular Cluster M15. II. Kinematic Analysis and Dynamical Modeling". The Astronomical Journal. 124 (6): 3270–3288. arXiv:astro-ph/0209315. Bibcode:2002AJ....124.3270G. doi:10.1086/344584. S2CID14234106. "Hubble Discovers Black Holes in Unexpected Places". HubbleSite. September 17, 2002. Retrieved October 31, 2007.
Gerssen, Joris; van der Marel, Roeland P.; Gebhardt, Karl; Guhathakurta, Puragra; Peterson, Ruth C.; Pryor, Carlton (December 2002). "Hubble Space Telescope Evidence for an Intermediate-Mass Black Hole in the Globular Cluster M15. II. Kinematic Analysis and Dynamical Modeling". The Astronomical Journal. 124 (6): 3270–3288. arXiv:astro-ph/0209315. Bibcode:2002AJ....124.3270G. doi:10.1086/344584. S2CID14234106. "Hubble Discovers Black Holes in Unexpected Places". HubbleSite. September 17, 2002. Retrieved October 31, 2007.