000 00330nam a2200133Ia 4500
005 20250612122247.0
008 250601s1991 xx 000 0 eng d
020 _a0861878957
100 _aSusantha Goonatilake
245 4 _aThe evolution of information
260 _aLondon
_bKalyani PUB
_c1991
300 _a203
942 _2ddc
_cBK
999 _c2348
_d2348