1. PLA Polymer 1100D — A Product from Nature Works®, Extrusion Coating Product Information, Cargill Dow LLC, pp. 1–2.
2. PLA Polymer 2000D — A Product from Nature Works®, Extrusion/Thermoforming Product Information, Cargill Dow LLC, pp. 1–2.
3. H.G. Fritz, T. Seidenstücker, U. Bölz, M. Juza, J. Schroeter, H.J. Endres, Use of whole cells and enzymes for the production of polyesters (chapter 3) and mimicking of natural substances (petroleum derived polymers) (chapter 4), in: Study on Production of Thermoplastics and Fibres Based Mainly on Biological Materials, European Commission — Science Research Development — Agro-Industrial Research Division, 1994, pp. 109–190.
4. Transparent and Flexible Biodegradable Plastics (CPLA), http://www.dic.co.jp/green/index-e.html, 1999, pp. 1–7.
5. PLA Polymer — A Product from Nature Works®, Injection Molding Process Guide, Cargill Dow LLC, pp. 1–2.