R-4D (Slovak Wikipedia)

Analysis of information sources in references of the Wikipedia article "R-4D" in Slovak language version.

refsWebsite

Global rank Slovak rank

2astronautix.com

2,056^th place

880^th place

1spacefoundation.org

low place

low place

astronautix.com

R-4D [online]. astronautix.com, [cit. 2022-03-06]. Dostupné online. (po anglicky)
R-4D [online]. astronautix.com, [cit. 2022-03-08]. Dostupné online. (po anglicky)

spacefoundation.org

Aerojet Propulsion Maneuvers Second ATV Vehicle to ISS [online]. spacefoundation.org, 2011-02-23, [cit. 2022-03-06]. Dostupné online. (po anglicky)