000 00372nam a2200157Ia 4500
008 200204s9999 xx 000 0 und d
082 _a608 Gop
100 _a"Gopalakrishnan, KV"
245 0 _aInventors Who Revolutionised Our lives
260 _aNew Delhi
260 _bNational Book Trust
260 _c2002
300 _a152
650 _aInventors
942 _cBK
999 _c73528
_d73528