@Book{CLRS22,
  author = 	 { Thomas H. Cormen and Charles E. Leiserson and Ronald L. Rivest and Clifford Stein },
  title = 	 { Introduction to Algorithms },
  publisher = 	 { MIT Press },
  OPTyear = 	 { 2022 },
  date =         { 2022-04-22 },                  
  edition = 	 { Fourth edition },
  url =          { http://mitpress.mit.edu/9780262046305/introduction-to-algorithms/ },
  urla =         { <a href="https://mitp-content-server.mit.edu/books/content/sectbyfn/books_pres_0/11599/e4-bugs.html">errata</a> },
  urlb =         { <a href="http://www.cs.dartmouth.edu/~thc/">thc-faq</a> },                  
}