Cosmos 221 (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Cosmos 221" in Catalan language version.

refsWebsite

Global rank Catalan rank

1flightglobal.com

223^rd place

1,190^th place

75^th place

51^st place

1astronautix.com

2,056^th place

1,447^th place

low place

low place

astronautix.com

«DS-P1-Yu». [Consulta: 4 novembre 2009].

flightglobal.com

«COSMOS 221 LAUNCHED». flightglobal. p. 869.

n2yo.com

«COSMOS 221». [Consulta: 4 novembre 2009].

nasa.gov

nssdc.gsfc.nasa.gov

«Cosmos 221». [Consulta: 4 novembre 2009].