00382nam a2200145 a 450000500170000000800410001702000180005804100080007608200080008410000210009224500450011325000120015826400500017030000160022020260717092157.0260717s1985    ii            000 0 eng d  a9780195667523  aeng04a5111 aBiggs, Norman L.10aDiscrete Mathematics /cBiggs, Norman L.  a2nd ed. 1aNew Delhi :bOxford University Press,cc1985.  axiv, 428 p.