https://docs.google.com/spreadsheet/ccc?key=0AlsifCY2V1IGdG1sOHRhT1NqRWJlRk16RUJ5Y2gyNmc#gid=0ç
https://docs.google.com/presentation/d/1QZvg882UVOADiHSbiUcz5WJYg9u91oXv2lVQh43UKvc/edit#slide=id.phttps://docs.google.com/document/d/19YNP1Cqw87B_tMCMSVGWdwXrau8q5YTnsM21uEU7iLY/edit