TY - RPRT TI - The magnitude and rapidity of the climate change marking the end of the Pleistocene in the mid-latitudes of South America AU - A.C. Ashworth AU - J.W. Hoganson PY - 1993 DO - 10.1016/0031-0182(93)90018-e UR - https://pubs.usgs.gov/publication/70018311 ID - 70018311 ER -