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S. Mohan Singh, Sharma, J., Gawas-Sakhalkar, P., Upadhyay, A. K., Naik, S., Bande, D., and Ravindra, R., Chemical and bacteriological analysis of soil from the Middle and Late Weichselian from Western Spitsbergen, Arctic, The environment and chronology of the earliest occupation of north-west Europe: current knowledge, problems and new research directions, vol. 271, pp. 98-105, 2012.
U. Barış Ülgen, Franz, S. Oliver, Biltekin, D., M. Çağatay, N., Roeser, P. Angelika, Doner, L., and Thein, J., Climatic and environmental evolution of Lake Iznik (NW Turkey) over the last ∼4700 years, Temporal and spatial corridors of Homo sapiens sapiens population dynamics during the Late Pleistocene and Early Holocene, vol. 274, pp. 88-101, 2012.
L. T. Toth, Aronson, R. B., Vollmer, S. V., Hobbs, J. W., Urrego, D. H., Cheng, H., Enochs, I. C., Combosch, D. J., van Woesik, R., and Macintyre, I. G., ENSO Drove 2500-Year Collapse of Eastern Pacific Coral Reefs, Science, vol. 337318333105323329353215234133898029327161272715118 119109123420422375802767219435149464823345354035608535771415, no. 609058576041305910598912255331111-125-64469129166932A216274137112, pp. 81 - 84, 2012.
L. Max, Riethdorf, J. - R., Tiedemann, R., Smirnova, M., Lembke-Jene, L., Fahl, K., ürnberg, D., Matul, A., and Mollenhauer, G., Sea surface temperature variability and sea-ice extent in the subarctic northwest Pacific during the past 15,000 years, Paleoceanography, vol. 27, no. 3, p. n/a - n/a, 2012.
S. Bertrand, Araneda, A., Vargas, P., Jana, P., Fagel, N., and Urrutia, R., Using the N/C ratio to correct bulk radiocarbon ages from lake sediments: Insights from Chilean Patagonia, Quaternary Geochronology, vol. 12, pp. 23-29, 2012.
D. A. N. Ussiri and Lai, R., Method for determining coal carbon in the reclaimed minesoils contaminated with coal, Soil Science Society of America Journal, vol. 72, no. 1, pp. 231-237, 2008.