@inproceedings{vanDiepenbeek:20105w, author = "van Diepenbeek, Chris", title = "{Passive spectrum use and upcoming changes in the spectrum environment (invited) }", doi = "10.22323/1.107.0002", booktitle = "Proceedings of RFI mitigation workshop {\textemdash} PoS(RFI2010)", year = 2010, volume = "107", pages = "002" }