000			00330nam a2200133Ia 4500
008			240913s9999||||xx |||||||||||||| ||und||
082			_aGS 004.6 GUP/D
100			_aPrakash C Gupta
245		0	_aData Communications
250			_a1st Ed.
260			_bPrentice Hall of India _aNew Delhi _c2001
300			_a475p
942			_cBKS
999			_c8806 _d8806