@article{KEMNITZER02 author = "H. Kemnitzer and S. Hilgers and G. Schwarz and T. Steck and T. v. Clarmann and M. H{\"o}pfner and K. Ressel", title = "Trace Gas Retrieval including Horizontal Gradients", journal= "Adv. Space. Res.", volume = "29", number = "11", pages = "1631-1636", year = "2002" }