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Zhang, Z.; Zhao, M.; Eglinton, G.; Lu, H.; Huang, C.Y. (2006). "Leaf wax lipids as paleovegetational and paleoenvironmental proxies for the Chinese Loess Plateau over the last 170 kyr". Quaternary Science Reviews. 25 (5): 575–594. Bibcode:2006QSRv...25..575Z. doi:10.1016/j.quascirev.2005.03.009.
Breecker, D.O.; Sharp, Z.D.; McFadden, L.D. (2009-03-01). "Seasonal bias in the formation and stable isotopic composition of pedogenic carbonate in modern soils from central New Mexico, USA". GSA Bulletin. 121 (3–4): 630–640. Bibcode:2009GSAB..121..630B. doi:10.1130/B26413.1. ISSN0016-7606.
Kurmann, M.H. (1985). "An opal phytolith and palynomorph study of extant and fossil soils in Kansas (USA)". Palaeogeography, Palaeoclimatology, Palaeoecology. 49 (3): 217–235. Bibcode:1985PPP....49..217K. doi:10.1016/0031-0182(85)90055-0.
Cerling, T.E. (1984). "The stable isotopic composition of modern soil carbonate and its relationship to climate". Earth and Planetary Science Letters. 71 (2): 229–240. Bibcode:1984E&PSL..71..229C. doi:10.1016/0012-821X(84)90089-X.
Zhang, Z.; Zhao, M.; Eglinton, G.; Lu, H.; Huang, C.Y. (2006). "Leaf wax lipids as paleovegetational and paleoenvironmental proxies for the Chinese Loess Plateau over the last 170 kyr". Quaternary Science Reviews. 25 (5): 575–594. Bibcode:2006QSRv...25..575Z. doi:10.1016/j.quascirev.2005.03.009.
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Breecker, D.O.; Sharp, Z.D.; McFadden, L.D. (2009-03-01). "Seasonal bias in the formation and stable isotopic composition of pedogenic carbonate in modern soils from central New Mexico, USA". GSA Bulletin. 121 (3–4): 630–640. Bibcode:2009GSAB..121..630B. doi:10.1130/B26413.1. ISSN0016-7606.