000			00323nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c320/-
040			_aET
100			_aPATHAK H.K
245		0	_aADVANCED DISCRETE MATHEMATICS
260			_bSHIKSHA SAHITYA _aMEERUT
300			_a672
500			_a34976
942			_cBK
999			_c40991 _d40991