TY - RPRT TI - Typicality, physiological activity and concept identification. AU - E A Das-Smaal AU - J H De Swart PY - 1981 DO - 10.1016/0001-6918(81)90036-6 UR - https://pubmed.ncbi.nlm.nih.gov/7211437/ ID - 7211437 ER -