المؤلفون: Fedje, Daryl W., Sumpter, Ian D., Southon, John R.

المصدر: Canadian Journal of Archaeology / Journal Canadien d'Archéologie, 2009 Jan 01. 33(2), 234-253.

URL الوصول: https://www.jstor.org/stable/41104463

المؤلفون: Fedje, Daryl W., Wigen, Rebecca J., Mackie, Quentin, Lake, Cynthia R., Sumpter, Ian D.

المصدر: Canadian Journal of Archaeology / Journal Canadien d’Archéologie, 2001 Jan 01. 25(1/2), 98-120.

URL الوصول: https://www.jstor.org/stable/41104446

المؤلفون: Smith, Dan J., Mackie, Alexander P., Sumpter, Ian D.

المصدر: Dendrochronologia ; volume 22, issue 3, page 195-201 ; ISSN 1125-7865

الاتاحة: http://dx.doi.org/10.1016/j.dendro.2005.04.004
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