@Book{Algorithm_4_2_1,
  title = {Graph Theory and Its Applications},
  author = {Gross, J.L. and Yellen, J.},
  publisher = {CRC Press, Taylor \& Francis Group},
  year = {2005},
  edition = {2nd},
  isbn = {9781584885054},
  series={Textbooks in mathematics},
  url = {http://www.crcpress.com},
}