000 00283nam a2200121Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
082 _a511.5 BAL
100 _aBalakrishnan, V.K
245 0 _aSchams combinatorics
260 _bNew Delhi
_c2005
300 _b185
650 _aCIRCUIT
999 _c132234
_d132234