000 00330nam a2200121Ia 4500
008 150601s9999 xx 000 0 und d
100 _aStallings Williams
245 _aCryptography and networks security:Principles and practice
250 _a5
260 _b"Pearson Education Pte. Ltd., Delhi"
260 _c2013
300 _a743
999 _c58319
_d58319