TY - JOUR AU - Sid Ahmed Benahmed Daho TI - Precision assessment of the orthometric heights determination in northern part of Algeria by combining the GPS data and the local geoid model JO - Comptes Rendus. GĂ©oscience PY - 2010 SP - 87 EP - 94 VL - 342 IS - 2 PB - Elsevier DO - 10.1016/j.crte.2009.10.011 LA - en ID - CRGEOS_2010__342_2_87_0 ER -