TY - JOUR AU - Edouard Bard TI - Greenhouse effect and ice ages: historical perspective JO - Comptes Rendus. GĂ©oscience PY - 2004 SP - 603 EP - 638 VL - 336 IS - 7-8 PB - Elsevier DO - 10.1016/j.crte.2004.02.005 LA - en ID - CRGEOS_2004__336_7-8_603_0 ER -