books.google.com - This volume is about the nature of categories in cognition and the relevance of these in language description, especially classifier systems. The classical view of categories was that they were discrete and based upon clusters of properties which were inherent to the entities. In recent years this conception...http://books.google.com/books/about/Noun_Classes_and_Categorization.html?id=9dnYXA6zr9cC&utm_source=gb-gplus-shareNoun Classes and Categorization
