@article{JaentschiL322
,year = "2002"
,journal = "Leonardo Electronic Journal of Practices and Technologies"
,jabbre1 = "Leonardo Electron. J. Pract. Technol."
,jabbre2 = "Leonardo Electron J Pract Technol"
,title = "Graph theory. 2. Vertex descriptors and graph coloring"
,author = "Jäntschi, Lorentz"
,volume = "1"
,number = "1"
,pages = "37-52"
,ISSN = "1583-1078"
,url = "http://lori.academicdirect.org/pdfs/100/019.pdf"
}