TY  - BOOK
AU  - Garey, Michael R.
AU  - Johnson, David S.
TI  - Computers and intractability: : a guide to the theory of NP-Completeness
SN  - 0716710455
U1  - 519.4 
PY  - 1979///
CY  - San Francisco
PB  - W.H. Freeman
KW  - Electronic digital computers-Programming
N1  - Includes index
ER  -