Yin، Qingzhu؛ Jacobsen, S.B.؛ Yamashita, K.؛ Blichert-Toft, J.؛ Télouk, P.؛ Albarède, F. (2002). "A short timescale for terrestrial planet formation from Hf-W chronometry of meteorites". Nature. ج. 418 ع. 6901: 949–952. Bibcode:2002Natur.418..949Y. DOI:10.1038/nature00995. PMID:12198540.
Kokubo، Eiichiro؛ Ida، Shigeru (2002). "Formation of protoplanet systems and diversity of planetary systems". The Astrophysical Journal. ج. 581 ع. 1: 666–680. Bibcode:2002ApJ...581..666K. DOI:10.1086/344105.
Yin، Qingzhu؛ Jacobsen, S.B.؛ Yamashita, K.؛ Blichert-Toft, J.؛ Télouk, P.؛ Albarède, F. (2002). "A short timescale for terrestrial planet formation from Hf-W chronometry of meteorites". Nature. ج. 418 ع. 6901: 949–952. Bibcode:2002Natur.418..949Y. DOI:10.1038/nature00995. PMID:12198540.
Kokubo، Eiichiro؛ Ida، Shigeru (2002). "Formation of protoplanet systems and diversity of planetary systems". The Astrophysical Journal. ج. 581 ع. 1: 666–680. Bibcode:2002ApJ...581..666K. DOI:10.1086/344105.