000 00419nam a2200169 4500
008 160616sc1992 000 0
245 _aPrinciples and techniques in combinatorics
100 _aChuan-Chong, Cheh
100 _aKhee-Meng, Koh
260 _aSingapore
260 _bWorld Scientific
260 _cc1992
300 _a298
020 _a9810211392
942 _cBK
_2BK21129
_01
080 _a519.1 CHEN
999 _c21129
_d21129