TY  - BOOK
AU  - Knuth Donald E
TI  - Art of computer programming
U1  - 005.1 
PY  - 2006///
CY  - New Jersey
PB  - Addison-Wesley
KW  - Computer algorithms
KW  - Computer programming
N1  - v 4, fascicle 4: Generating all trees; history of combinatorial generation
ER  -