1. Archaeological Typology and Practical Reality: A Dialectical Approach to Artifact Classification and Sorting;Adams,1991
2. Cluster Analysis;Aldenderfer,1984
3. Factors affecting ceramic standardization;Arnold,1992
4. Exploratory Multivariate Analysis in Archaeology;Baxter,1994
5. Morphological standardization: an approach to the study of craft specialization;Benco,1988