Foi há pouco publicado e disponibilizado através da internet (não obstante a data de 2003) o seguinte livro:
Klaas Jan van den Berg, Analysis of Diterpenoid Resins and Polymers in Paint Media and Varnishes. With an Atlas of Mass Spectra, Amsterdam, Institute AMOLF, 2003.
Está aqui, com acesso livre.
- Mass spectrometric methodology for the analysis of highly oxidised diterpenoid acids in Old Master paintings. Part 1. GCMS studies
- Mass spectrometric methodology for the analysis of highly oxidised diterpenoid acids in Old Master paintings. Part 2. LCMS and DTMS studies. Index for the Degree of Oxidation
- Molecular characterisation of copaiba balsam as used in painting techniques and restoration procedures
- Recognition of copals in aged resin/oil paints and varnishes; identification of copal in paintings of the Pre-Raphaelite Brotherhood
- Cis-1,4-poly-b-myrcene; the structure of the polymeric