000 00326ngm a2200097 i 4500
008 090618s sp g eng
080 1 _a791 DOC
245 0 _aINFORME TIERRA
_b= EARTH REPORT
_c/ NATIONAL GEOGRAPHIC
650 _aPELICULA
997 _dData non definida (008date1) ; Data non definida (260)
_e1