000 00343nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a8122408508
082 _a020 S253
100 _aSATYANARAYANA,N R
245 0 _aPROBLEMS OF INFORMATION SCIENCE
260 _aNEW DELHI
_bNEW AGE INTERNATIONAL
_c1996
300 _a23X15
942 _cBK
_2DDC
999 _c25356
_d25356