article published in 1992

scientific article published in 1974

scientific article

scientific article published on 24 July 2014

article published in the Proceedings of the National Academy of Sciences of the United States of America

scientific article published on 10 July 2020

2014 scholarly article by Douglas Kennett et al.

journal article; published in 2013

journal article; published in Nature on 2016-03-16

scientific article published in 1973

scholarly article by Lynn S. Teague published in April 1987

scholarly article by David Hurst Thomas published in April 1978

1983

scholarly article by David Hurst Thomas published in April 1980

1979

2009