TY  - BOOK
AU  - Garey,Michael R.
AU  - Johnson,David S.
TI  - Computers and intractability: a guide to the theory of NP-completeness 
SN  - 0716710447
PY  - 1979///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Electronic digital computers
KW  - Programming
KW  - Algorithms
KW  - Computational complexity
N1  - Includes indexes; Bibliography: p.  291 -325
ER  -