Concreteness and relational effects on recall of adjective–noun pairs
Canadian Journal of Experimental Psychology/Revue canadienne de psychologie expérimentale (2000) - Comment
doi: 10.1037/h0087337  issn: 1878-7290  issn: 1196-1961  pubmed: 11021035 

Allan Paivio, Mustaq Khan, Ian Begg