00333nam a2200157Ia 4500008004100000041001200041082000800053082001100061100001500072100001100087245002500098260001300123260001200136300001500148650001200163150909s9999    xx            000 0 und d  aEnglish  a500  bGRO/PO  aGrolier     eAuthor  aPopuolar science V.5  aNew York  bGrolier  a426  Pages  aGeneral