000 00334nam a2200145Ia 4500
020 _a159339103X
082 _b1956
_a000
100 _a"NA"
245 4 _aThe world around us
260 _bEncyclopedia Britannica Inc
_aLondon
_c2006
300 _a56
944 _cR
999 _c247812
_d247812