Source: https://tribu.phm.education.gouv.fr/portal/pagemarker/1/cms/default-domain/workspaces/continuite-pedagogique-technologie-alsace/parcours/documents/sequence-p-davidenko/en-sixieme/realiser-une-frise?scope=__nocache&addToBreadcrumb=1&pagePath=%252Ffoad%252F_dyn_cG9ydGFsU2l0ZVpHVm1ZWFZzZEMxa2IyMWhhVzRfZV9kZDI5eWEzTndZV05sY3dfZV9lX2RZMjl1ZEdsdWRXbDBaUzF3WldSaFoyOW5hWEYxWlMxMFpXTm9ibTlzYjJkcFpTMWhiSE5oWTJVX2VfZGNHRnlZMjkxY25NX2U%253D.Y21zOi9kZWZhdWx0LWRvbWFpbi93b3Jrc3BhY2VzL2NvbnRpbnVpdGUtcGVkYWdvZ2lxdWUtdGVjaG5vbG9naWUtYWxzYWNlL3BhcmNvdXJz.X19OX18%253D.X19OX18%253D.X19OX18%253D%252F_CMS_LAYOUT&pageParams=.pdf