TY  - BOOK
AU  - Garey, Michael R.
AU  - Johnson, David S.
TI  - Computers and Intractability: A Guide to the Theory of NP-Completeness
SN  - 9780716710455
U1  - 519.4 
PY  - 1979///
CY  - New York
PB  - W. H. Freeman and Company
ER  -