TY  - BOOK
AU  - Garey, Michael R.
AU  - Johnson, David S.
TI  - Computers and Intractability: A guide to the theory of NP-completeness
SN  - 0 7167 1045 5
CY  - New York
KW  - Electronic digital computers - Programming
KW  - Algorithms
KW  - Computational Complexity
ER  -