OJ 287 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "OJ 287" in Chinese language version.

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bbc.co.uk

Huge black hole tips the scales. BBC. 2008-01-10 [2008-01-10]. （原始内容存档于2008-01-15）.

NASA/IPAC Extragalactic Database. Results for OJ +287. [2008-07-10]. （原始内容存档于2018-12-25）.

Shi, Weizhao; Liu, Xiang; Song, Huagang. A new model for the periodic outbursts of the BL Lac object OJ287. Astrophysics and Space Science. 2007, 310 (1-2): 59–63. doi:10.1007/s10509-007-9413-z.
Valtonen, M. J.; Lehto, H. J.; Sillanpää, A.; Nilsson, K.; Mikkola, S.; Hudec, R.; Basta, M.; Teräsranta, H.; Haque, S.; Rampadarath, H. Predicting the Next Outbursts of OJ 287 in 2006-2010. The Astrophysical Journal. 2006年7月, 646 (1): 36–48. doi:10.1086/504884. .

Shiga, David. Biggest black hole in the cosmos discovered. NewScientist.com news service. 10 January 2008 [2008-09-19]. （原始内容存档于2008-05-14）.

NASA/IPAC Extragalactic Database. Results for OJ +287. [2008-07-10]. （原始内容存档于2018-12-25）.
Shiga, David. Biggest black hole in the cosmos discovered. NewScientist.com news service. 10 January 2008 [2008-09-19]. （原始内容存档于2008-05-14）.
Huge black hole tips the scales. BBC. 2008-01-10 [2008-01-10]. （原始内容存档于2008-01-15）.