000 00342nam a2200157Ia 4500
020 _a0000000000000
040 _cPK-LaCSN
082 _b428
_a500
100 _a"Johana Bocardo"
245 4 _aThe world around us
260 _c2005
300 _a56
942 _2ddc
_cBK
999 _c734603
_d734603