000 00479 a2200253 4500
001 23978
020 _a30
041 _aeng
080 _a519.1 Liu
245 _aIntroduction to combinational mathematics.
250 _a
260 _aNew York
260 _bMcGraw Hill,
260 _c1968
300 _ax,393 p. ;
300 _c
490 _a
100 _aLiu, C.L.\
700 _a
650 _a
650 _aCombinatorial analysis
942 _cBK
942 _2UDC
999 _c44018
_d44018