TY  - BOOK
AU  - Anderson Ian Ed.
TI  - Surveys in combinatorics
T2  - London Mathematical Society Lecture Note Series; 103
U1  - B217, M5-;1 
PY  - 1985///
CY  - Cambridge
PB  - Cambridge University Press       
KW  -  Combination
KW  - Permutation
ER  -