Zulo beltz estelar (Basque Wikipedia)

Analysis of information sources in references of the Wikipedia article "Zulo beltz estelar" in Basque language version.

refsWebsite

Global rank Basque rank

2^nd place

6^th place

6^th place

9^th place

1hubblesite.org

6,632^nd place

2,076^th place

archive.org

(Ingelesez) Hughes, Scott A.. (2005). Trust but verify: The case for astrophysical black holes. .

doi.org

dx.doi.org

(Ingelesez) Celotti, A.; Miller, J.C.; Sciama, D.W.. (1999). «Astrophysical evidence for the existence of black holes» Classical and Quantum Gravity 1612A: A3–A21. doi:10.1088/0264-9381/16/12A/301..

hubblesite.org

(Ingelesez) HubbleSite. How are black holes born?. .