@misc{indiciae5492c034e239, title = {Climate change in southern Illinois, USA, based on the age and δ 13 C of organic matter in cave sediments}, author = {Samuel V. Panno and B. Brandon Curry and Hongfang Wang and Keith C. Hackley and Chao-Li Liu and Craig Lundstrom and Juanzuo Zhou}, year = {2017}, doi = {10.1016/j.yqres.2004.01.003}, url = {https://pubs.usgs.gov/publication/70027204}, note = {Source identifier: 70027204} }