TY - BOOK TI - Combinatorial methods SN - 0387405623 (acid-free paper) PY - 2003/// CY - New York PB - Springer UR - http://www.loc.gov/catdir/enhancements/fy0813/2003058951-d.html | http://www.loc.gov/catdir/enhancements/fy0813/2003058951-t.html ER -