000			00561nam a2200193Ia 4500
008			161214s9999 xx 000 0 und d
020			_a9780072194821 _c(pbk)
082			_223 _a005.82 _bATR
100			_aAtreya, Mohan
245		0	_aDigital signatures
260			_aNew York: _bMcGraw-Hill, _c2002
300			_a368 p.; _bill.: _c23 cm.
650			_aBusiness communication -- Security measures
650			_aComputer security
650			_aDigital signatures
650			_aElectronic commerce
650			_aSET (Computer network protocol)
942			_2ddc _cBK
999			_c11192 _d11192