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SCIENCE.1232558
SCIENCE.1232558
http://dx.doi.org/10.1126/SCIENCE.1232558
Physics. Negative temperatures?
P356
Q34320828-147E4E8F-C4C2-41F3-BBDD-C87572EFF002
P356
SCIENCE.1232558
http://dx.doi.org/10.1126/SCIENCE.1232558