TY - RPRT AU - U. Andrae AU - N. Sokka AU - K. Onogi BT - ERA-40 Project Report Series C1 - Research CY - Shinfield Park, Reading DA - 04/2004 LA - eng M1 - 15 PB - ECMWF PP - Shinfield Park, Reading PY - 2004 T2 - ERA-40 Project Report Series T3 - ERA Report TI - The radiosonde temperature bias corrections used in ERA-40 ER -