000 00300nam a2200121Ia 4500
008 231018s9999||||xx |||||||||||||| ||und||
040 _aMAIN
100 _aMahadevan
245 0 _aResonance: Journal of Science Education
260 _aBangalore
_bCSA
_c2011
300 _a603-906
_b16(8-9)
942 _cBJ
999 _c55187
_d55187