000 00321nam a2200145Ia 4500
020 _a0195797191
082 _b2623
_a500
100 _a"VYJANTHIMALA BALAKRISHNA"
245 0 _aEXPLORING SCIENCE 2
260 _c2002
300 _a314
944 _cTR
999 _c359417
_d359417