Reference
- Santiago-Blay , J. A. and Lambert , J. B. 2007 . Amber’s botanical origins uncovered . American Scientist , 95 : 150 – 157 . http://www.americanscientist.org/template/AssetDetail/assetid/54787. Reprinted, with permission as «Aux sources de l’ambre». Pour la Science 356: 70–75