000 00383nam a2200181Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
082 _a30.9
100 _aSidharthan P.
245 0 _aInvetions that changed the world.
260 _aNULL
260 _bEdu Max.
260 _c2003
300 _a254p.
365 _b399
650 _aCOMPUTER
942 _cDBK
999 _c27547
_d27547