@article {Cerdeira1996,
	title = {Minimum cost K-forest covers},
	journal = {ZOR. Zeitschrift fur Operations-Research},
	volume = {44},
	number = {2},
	year = {1996},
	note = {n/a},
	pages = {255-265},
	abstract = {n/a},
	author = {Baas, Sjoerd M. and Jorge Orestes Cerdeira}
}
