@Article{jondral1985peilauswertung,
	author = {Jondral, Friedrich and Martin, Karl Josef and Saur, Hermann},
	title = {Peilauswertung mit Clusteranalyseverfahren},
	journal = {Frequenz},
	volume = {39},
	number = {4},
	pages = {111–113},
	year = {1985},
}