TY - RPRT TI - Cohesion, but not too close. AU - E V Volpi AU - D Sheer AU - F Uhlmann PY - 2001 DO - 10.1016/s0960-9822(01)00212-3 UR - https://pubmed.ncbi.nlm.nih.gov/11378398/ ID - 11378398 ER -