000 00316nam a2200133Ia 4500
008 250407s2003 xx 000 0 und d
041 _aeng
082 _a30
100 _aS,L. Arora
245 _aJunior Encyclopedia of science
260 _aArora book new delhi
_c2003
300 _a424P
650 _aEncyclopedia
999 _c357625
_d357625