Johnsen

A mid-european decadal isotope-climate record from 15,500 to 5000 years B.P

J. Jouzel, S. Johnsen, H. Erlenkeuser, 1999, Science.

Penny ice cap cores, baffin island, canada, and the wisconsinan foxe dome connection: two states of hudson bay ice cover

Blake, Clausen, Goto-Azuma, 1998, Science.

16 degrees C rapid temperature variation in central greenland 70,000 years Ago

Schwander, Lang, Johnsen, 1999, Science.

Past temperatures directly from the greenland ice sheet

K. Mosegaard, S. Johnsen, D. Dahl-Jensen, 1998, Science.