@article {18122,
	title = {Solving NP-hard problems in [] almost trees{\textquoteright}: Vertex cover},
	journal = {Discrete applied mathematics},
	volume = {10},
	year = {1985},
	month = {1985///},
	pages = {27 - 45},
	author = {Coppersmith,D. and Vishkin, Uzi}
}
