000			00469nam a2200181Ia 4500
008			221011s9999 xx 000 0 und d
020			_a9780192803153
040			_aPUL
082			_a005.82 PIP
100			_aPiper, Fred
245		0	_aCryptography : _ba very short introduction
260			_aNew York: _bOxford University Press, _c2002.
300			_axii, 142 p.
650			_aCryptography
650			_aBasic data security
700			_aMurphy, Sean
942			_cBK
999			_c5026 _d5026