Columbia subject headings:
Harvard subject headings:
Geology, Stratigraphic--Pleistocene
Loess.
Paleoclimatology.
Paleoecology.
Paleogeography.
Princeton subject headings:
Loess--Congresses.
Paleoclimatology--Congresses.
Paleoecology--Congresses.
Paleogeography--Congresses.