Vida extraterrestre (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Vida extraterrestre" in Catalan language version.

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Klein, H. P. «The Viking biology experiments: Epilogue and prologue» (en anglès). Journal Origins of Life and Evolution of Biospheres, 21, 4, 1992, pàg. 1573–0875. Bibcode: 1992OLEB...21..255K. DOI: 10.1007/BF01809861.
McKay, David S. [et al]. «Search for Past Life on Mars: Possible Relic Biogenic Activity in Martian Meteorite ALH84001» (en anglès). Science, 273, 5277, 1996, pàg. 924–930. Bibcode: 1996Sci...273..924M. DOI: 10.1126/science.273.5277.924. PMID: 8688069.

Klein, H. P. «The Viking biology experiments: Epilogue and prologue» (en anglès). Journal Origins of Life and Evolution of Biospheres, 21, 4, 1992, pàg. 1573–0875. Bibcode: 1992OLEB...21..255K. DOI: 10.1007/BF01809861.
McKay, David S. [et al]. «Search for Past Life on Mars: Possible Relic Biogenic Activity in Martian Meteorite ALH84001» (en anglès). Science, 273, 5277, 1996, pàg. 924–930. Bibcode: 1996Sci...273..924M. DOI: 10.1126/science.273.5277.924. PMID: 8688069.

Pickrell, John «Top 10: Controversial pieces of evidence for extraterrestrial life». New Scientist, 04-09-2006 [Consulta: 18 febrer 2011].

McKay, David S. [et al]. «Search for Past Life on Mars: Possible Relic Biogenic Activity in Martian Meteorite ALH84001» (en anglès). Science, 273, 5277, 1996, pàg. 924–930. Bibcode: 1996Sci...273..924M. DOI: 10.1126/science.273.5277.924. PMID: 8688069.