@article{oai:minpaku.repo.nii.ac.jp:00002747,
 author = {Prentiss, William C. and Chatters, James C.},
 journal = {Senri Ethnological Studies},
 month = {Feb},
 pages = {49--80},
 title = {The Evolution of Collector Systems on the Pacific Coast of Northwest North America},
 volume = {63},
 year = {2003}
}