TY  - RPRT
TI  - Duration and structure of the past four interglaciations
AU  - I.J. Winograd
AU  - J.M. Landwehr
AU  - K.R. Ludwig
AU  - T.B. Coplen
AU  - A.C. Riggs
PY  - 2017
DO  - 10.1006/qres.1997.1918
UR  - https://pubs.usgs.gov/publication/70019460
ID  - 70019460
ER  -