000 00328nam a2200145Ia 4500
020 _a981047718x
082 _bTR-56
_a530
100 _a"poon,K.L"
245 0 _aPhysics key points o, level
260 _b,Redspot
_auk
_c2003
300 _a368
944 _cTR
999 _c783336
_d783336