-Tettwassen s usgzawal n tetergit - tafransist n Charle De Foucould i d-yefɣen deg useggas (1951-1952) yebna-t s usesmel agemmayan n yiẓuran. Imi d netta i d amezwaru id yefkan tarrayt-agi n usesmel . Tasemɣert-is d tamesbaɣurt n yisalen n tasnilsayt.. Ixdem ukuz (4) n yiṣunad