1. Giannotta , G. Po , R. Cardi , N. Occhiello , E. Garbassi , F. Proceedings of an International Recycling Congress 1993 124
2. Alkyd resins synthesized from postconsumer PET bottles
3. U.S Department of Health and Human Services, Food and Drug Administration, Center for Drug Evaluation and Research, Center for Biologics Evaluation and Research 1999 p17
4. Recycled Flexible Resins in Concrete