000 00344nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.79E+12
082 _a621
082 _b38928
100 _a"Gupta, Kailash N."
245 0 _aDigital Signature Networ
260 _aNew Delhi
260 _bPHI
260 _c2005
300 _a"x, 209"
999 _c40620
_d40620