@misc{indiciaea937b5f97e07, title = {Paleoclimate. A variable sun and the Maya collapse.}, author = {R A Kerr}, year = {2001}, doi = {10.1126/science.292.5520.1293}, url = {https://pubmed.ncbi.nlm.nih.gov/11360980/}, note = {Source identifier: 11360980} }