@article{Butterweck1992,
	title = {A remote identification system based on passive identifiers},
	author = {H. J. Butterweck and A. C. P. van Meer and J. H. F. Ritzerfeld},
	journal = {Signal Processing},
	month = {Mar},
	number = {3},
	pages = {369--379},
	url = {http://www.sciencedirect.com/science/article/B6V18-48TD1KM-46/1/80c349fe1addec5f0701b92daa3b6450},
	volume = {26},
	year = {1992},
	biburl = {http://www.bibsonomy.org/bibtex/2a8a73522e6d33409baa56b7efa673bf0/smicha},
	keywords = {Identification }
}