Barnard, H.; Ambrose, S. H.; Beehr, D. E.; Forster, M. D.; Lanehart, R. E.; Malainey, M. E.; Parr, R. E.; Rider, M.; Solazzo, Caroline; Yohe, R. M., II(2007)
Solazzo, Caroline; Scibè, Cristina; Eng-Wilmot, Kira(The Research and Technical Studies Group (RATS) and the American Institute for Conservation (AIC), 2019)