000 00361nam a2200145Ia 4500
020 _a9781730143373
082 _b2917
_a500
100 _a"Compiled by Seth, Lata"
245 0 _aKNOW ABOUT SCIENCE: 17 SOUND
260 _bDREAMLAND PUBLICATIONS
_aINDIA
_c2014
300 _a64
944 _cBK
999 _c108925
_d108925