recherche (1) pollen (1) papier (1) besoin (1) Specimens (1) Stairs (1) Research (1) Records (1) Pollen (1) Plant remains (Archaeology) (1) Paper (1) Creation (1) Cooperation (1) Brain (1) Archaeological sites (1) Pollen (1) Research (1) Reference (1) cerveau (1) archéobotanique (1)