@ARTICLE{perko18,
    author = "Perko, Roland and Raggam, Hannes and Schardt, Mathias and Roth, Peter M.",
    title = "Very High Resolution Mapping with the Pléiades Satellite Constellation",
    journal = "American Journal of Remote Sensing",
    volume = "6",
    issue = "2",
    pages = "89--99",
    year = "2018"
}