@InProceedings{Seefeldt:2015,
  author      = "P. Seefeldt and W. Bauer and B. Dachwald and J. Grundmann and M. Straubel and M. Sznajder and N. Tóth and M. Zander",
  title       = "Large Lightweight Deployable Structures for Planetary Defence: Solar Sail Propulsion, Solar Concentrator Payloads, Large-Scale Photovoltaic Power",
  booktitle   = "4th IAA Planetary Defense Conference - PDC 2015",
  address     = "Frascati, W³ochy",
  publisher   = "--, The International Academy of Astronautics",
  pages       = "1--16",
  year        = "2015",
}