TY - BOOK ED - European Space Agency TI - ERS-1 SAR Calibration: derivation of backscattering coefficient in ERS-1.SAR.PRI products AV - QE33.2 R4 E777 PY - 1992/// CY - Noordwijk PB - European Space Agency KW - Earth stations (Satellite telecommunication) KW - Artificial satellites in telecommunication ER -