Dataset Groups Activity Stream GISP2 CO2 concentrations BibTex: @dataset{Smith_H_J_1999, author = {Smith, H J}, doi = {10.1594/PANGAEA.56081}, institution = {PANGAEA (Cryosphere)}, title = {GISP2 CO2 concentrations}, url = {https://service.tib.eu/ldmservice/vdataset/png-doi-10-1594-pangaea-56081}, year = {1999} }