زمین کی عمر (Urdu Wikipedia)

Analysis of information sources in references of the Wikipedia article "زمین کی عمر" in Urdu language version.

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G. Brent Dalrymple (2001)۔ "The age of the Earth in the twentieth century: a problem (mostly) solved"۔ Special Publications, Geological Society of London۔ 190 (1): 205–221۔ Bibcode:2001GSLSP.190..205D۔ doi:10.1144/GSL.SP.2001.190.01.14
Manhesa, Gérard، Allègre, Claude J.، Dupréa, Bernard & Hamelin, Bruno (1980)۔ "Lead isotope study of basic-ultrabasic layered complexes: Speculations about the age of the earth and primitive mantle characteristics"۔ Earth and Planetary Science Letters۔ 47 (3): 370–382۔ Bibcode:1980E&PSL..47..370M۔ doi:10.1016/0012-821X(80)90024-2

G. Brent Dalrymple (2001)۔ "The age of the Earth in the twentieth century: a problem (mostly) solved"۔ Special Publications, Geological Society of London۔ 190 (1): 205–221۔ Bibcode:2001GSLSP.190..205D۔ doi:10.1144/GSL.SP.2001.190.01.14
Manhesa, Gérard، Allègre, Claude J.، Dupréa, Bernard & Hamelin, Bruno (1980)۔ "Lead isotope study of basic-ultrabasic layered complexes: Speculations about the age of the earth and primitive mantle characteristics"۔ Earth and Planetary Science Letters۔ 47 (3): 370–382۔ Bibcode:1980E&PSL..47..370M۔ doi:10.1016/0012-821X(80)90024-2

"زمین کی عمر"۔ U.S. Geological Survey۔ 1997۔ 2005-12-23 میں اصل سے آرکائیو شدہ۔ اخذ شدہ بتاریخ 10 جنوری 2006

"زمین کی عمر"۔ U.S. Geological Survey۔ 1997۔ 2005-12-23 میں اصل سے آرکائیو شدہ۔ اخذ شدہ بتاریخ 10 جنوری 2006