@article{Z�ltowski2001,
	title = {Some advances and refinements in digital phase-locked loops (DPLLs)},
	author = {Mariusz Z{\'o}ltowski},
	journal = {Signal Processing},
	month = {Apr},
	number = {4},
	pages = {735--789},
	url = {http://www.sciencedirect.com/science/article/B6V18-42SXK1N-5/1/b501d7b6fcb3055626081fba03de0ef2},
	volume = {81},
	year = {2001},
	biburl = {http://www.bibsonomy.org/bibtex/2f2c66951fcd0be3550fecba1c4a30e54/smicha},
	keywords = {Digital loops phase-locked }
}