00306nam a2200121Ia 450000500170000000800410001704100080005808200150006610000160008124500450009726000340014230000080017620260720174608.0260720s2002    xx            000 0 und d  aeng  a574.1 HASL  aHashmi, A H  aChildren's science library life on earth  aNew DelhibPustak Mahalc2002  a32p