Antiquities, Prehistoric (2) Prehistoric peoples (2) jatte (2) test (1) étable (1) fleuve (1) besoin (1) matériau (1) innovation (1) information (1) évolution (1) érosion (1) document (1) âge (1) Afrique (1) point (1) profession (1) Afrique (1) Preservation (1) Implements (1) Area (1) Methods (1) Surveys (1) Forms (1) Area (1) Tools (1) Surveys (1) Stone age (1) Series (1) Process (Law) (1)