Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) VON ENGELN A.,Retrieval of temperature and water vapor profiles from radio occultation refractivity and bending angle measurements using an Optimal Estimation approach : a simulation study,Atmospheric Chemistry and Physics,,,2005,5,,1665-1677,https://cir.nii.ac.jp/crid/1570572700507610368,