000 00494nam a22001697a 4500
008 230428b |||||||| |||| 00| 0 eng d
020 _a0-12-089750-4
040 _aNational Science Library
_cNational Science Library
080 _a519.1
_bK8
100 _aBerge, C
_97799
245 _aPrinciples of combinatorics
260 _aNew York:
_bAcademic Press,
_c1971
300 _aviii, 176p.
490 _aMathematics in science and engineering
_v72
650 _aScience
942 _2udc
_cBK
999 _c24821
_d24821