Por Pablo Lonnie Pacheco Railey pablolonnieyahoo'com'mx pabloastronomos'org
https://www.powershow.com/view1/279ffd-ZDc1Z/Por_Pablo_Lonnie_Pacheco_Railey_pablolonnieyahoocommx_pabloastronomosorg_powerpoint_ppt_presentation
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