000			00302nam a22001337a 4500
999			_c171193 _d171193
020			_a
082			_a _b
100			_aRamachandran
245			_a Encyclopedia of inventions/ _cby Ramachandran.
260			_aKozhikode: _bDronacharya Publications, _c
300			_a
650			_a
942			_cBK