000 00372nam a2200145Ia 4500
008 160808s2004 xx 000 0 eng d
041 _aeng
084 _azk
_2CC
245 _aExplore and learn:
_bscience and technology /
260 _aU.K :
_bSouthwestern,
_c2004.
490 _aExplore and Learn
_v2
653 _aEncyclopedia
653 _aGeneralia
999 _c218110
_d218110