@article{CRGEOS_2004__336_7-8_691_0,
     author = {Olivier Marchal and J\'er\^ome Chappellaz},
     title = {Sur les variations pr\'eindustrielles du {CO\protect\textsubscript{2}} et du {CH\protect\textsubscript{4}} atmosph\'eriques},
     journal = {Comptes Rendus. G\'eoscience},
     pages = {691--699},
     publisher = {Elsevier},
     volume = {336},
     number = {7-8},
     year = {2004},
     doi = {10.1016/j.crte.2004.02.004},
     language = {fr},
}