TY - JOUR AU - Michel Petit TI - Expanding the observational foundation for climate studies JO - Comptes Rendus. GĂ©oscience PY - 2005 SP - 1023 EP - 1025 VL - 337 IS - 12 PB - Elsevier DO - 10.1016/j.crte.2005.05.016 LA - en ID - CRGEOS_2005__337_12_1023_0 ER -