OJ 287 (Polish Wikipedia)

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

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1newscientist.com

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arxiv.org

M. J. Valtonen, H. J. Lehto, K. Nilsson, J. Heidt i inni. A massive binary black-hole system in OJ 287 and a test of general relativity. „Nature”. 452 (7189), s. 851–853, 2008. DOI: 10.1038/nature06896. arXiv:0809.1280. PMID: 18421348. Bibcode: 2008Natur.452..851V.

doi.org

M. J. Valtonen, H. J. Lehto, K. Nilsson, J. Heidt i inni. A massive binary black-hole system in OJ 287 and a test of general relativity. „Nature”. 452 (7189), s. 851–853, 2008. DOI: 10.1038/nature06896. arXiv:0809.1280. PMID: 18421348. Bibcode: 2008Natur.452..851V.

harvard.edu

adsabs.harvard.edu

M. J. Valtonen, H. J. Lehto, K. Nilsson, J. Heidt i inni. A massive binary black-hole system in OJ 287 and a test of general relativity. „Nature”. 452 (7189), s. 851–853, 2008. DOI: 10.1038/nature06896. arXiv:0809.1280. PMID: 18421348. Bibcode: 2008Natur.452..851V.

newscientist.com

David Shiga: Biggest black hole in the cosmos discovered. [w:] New Scientist [on-line]. 2008-01-10.

nih.gov

ncbi.nlm.nih.gov

M. J. Valtonen, H. J. Lehto, K. Nilsson, J. Heidt i inni. A massive binary black-hole system in OJ 287 and a test of general relativity. „Nature”. 452 (7189), s. 851–853, 2008. DOI: 10.1038/nature06896. arXiv:0809.1280. PMID: 18421348. Bibcode: 2008Natur.452..851V.

rit.edu

astrophysics.rit.edu

M. J. Valtonen, H. J. Lehto, K. Nilsson, J. Heidt i inni. A massive binary black-hole system in OJ 287 and a test of general relativity. „Nature”. 452 (7189), s. 851–853, 2008. DOI: 10.1038/nature06896. arXiv:0809.1280. PMID: 18421348. Bibcode: 2008Natur.452..851V.