TY  - BOOK
AU  - Allenby, RBJT 
AU  - Slomson, A
TI  - How to count: an introduction to combinatorics
SN  - 9781420082609
U1  - 519.1 
PY  - 2011///
CY  - Boca Raton
PB  - CRC
KW  - COMBINATORIAL ANALYSIS
ER  -