Explorer 19 (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Explorer 19" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

75^th place

92^nd place

4,664^th place

2,162^nd place

nasa.gov

history.nasa.gov

Woody Smith (22 de fevereiro de 2006). «Explorer Spacecraft Series». NASA History Division. Consultado em 30 de julho de 2019

skyrocket.de

space.skyrocket.de

Gunter Dirk Krebs. «Explorer:AD». Gunter's Space Page. Consultado em 30 de julho de 2019