TY  - BOOK
AU  - Orlik Peter Ed.
AU  -  Welker Valkmar Ed.
TI  - Algebraic combinatorics :  Lectures at a summer school in Nordfjordeid,Norway, June 2003.     
U1  - B217, P7 
PY  - 2007///
CY  - Berlin
PB  - Springer       
KW  - Combinatorics
ER  -