%0 Journal Article %T Non-destructive comparative evaluation of fossil amber using terahertz time-domain spectroscopy %A Barden, Phillip %A Sosiak, Christine E. %A Grajales, Jonpierre %A Hawkins, John %A Rizzo, Louis %A Clark, Alexander %A Gatley, Samuel %A Gatley, Ian %A Federici, John %J PLoS ONE %V 17 %N 3 %D 2022-03-30 %I Public Library of Science %~ DeepDyve