Editing Copal (section)

== References ==
{{Reflist}}

=== Sources ===
{{refbegin}}
* {{Cite book |last=Grimaldi |first=David |title=Amber: Window to the Past |publisher=American Museum of Natural History |year=1996}}
* {{Cite journal |last=Hoffeins |first=Christel |date=1 June 2012 |title=On Baltic amber inclusions treated in an autoclave |journal=Polish Journal of Entomology / Polskie Pismo Entomologiczne |volume=81 |issue=2 |pages=165–183 |doi=10.2478/v10200-012-0005-z|doi-access=free }}
* {{Cite book |last=Mayer |first=Ralph |title=The Artist's Handbook of Materials and Techniques |publisher=Viking |year=1976 |location=New York}}
* {{Cite web |last=Platt |first=Gary |date=6 June 1998 |title=Types of Amber, Copal & Resin |url=http://www.gplatt.demon.co.uk/typesof.htm |url-status=dead |archive-url=https://web.archive.org/web/20100225225107/http://www.gplatt.demon.co.uk/typesof.htm |archive-date=25 February 2010}}
* {{Cite journal |last=Stross |first=Brian |year=1997 |title=Mesoamerican Copal Resins |url=http://www.utexas.edu/courses/stross/papers/copal.htm |url-status=dead |journal=U Mut Maya |volume=6 |pages=177–186 |archive-url=https://web.archive.org/web/20150212150136/http://www.utexas.edu/courses/stross/papers/copal.htm |archive-date=12 February 2015 |via=University of Texas at Austin}}
* {{Cite book |last=Sunseri |first=Thaddeus |title=Wielding the Ax: State Forestry and Social Conflict in Tanzania, 1820-2000 |year=2009}}
{{refend}}