@book{Cormen_2009, address={Cambridge, Mass}, edition={3rd ed}, title={Introduction to algorithms}, url={https://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=3339142}, publisher={MIT Press}, author={Cormen, Thomas H.}, year={2009} }
@book{Kernighan_Ritchie_1988, address={Englewood Cliffs}, edition={2nd ed}, title={The C programming language}, publisher={Prentice-Hall}, author={Kernighan, Brian W. and Ritchie, Dennis M.}, year={1988} }