000			00550nam a2200181Ia 4500
008			161214s9999 xx 000 0 und d
020			_a9780123744791 _c(pbk)
082			_223 _a005.82 _bWAY
100			_aWayner, Peter
245		0	_aDisappearing cryptography : information hiding, steganography and watermarking
250			_a3rd ed.
260			_aAmsterdam: _bMorgan Kaufmann, _c2009
300			_axv, 439 p.; _bill.: _c24 cm.
650			_aComputer networks -- Security measures
650			_aCryptography
650			_aInternet
942			_2ddc _cBK
999			_c11600 _d11600