1. US Environmental Protection Agency, ‘Innovative Site Remediation Technology’, US EPA, Washington, DC, 5, EPA/542/B/94/005 (June 1995).
2. The Carver-Greenfield Process: Dehydration/solvent extraction technology for waste treatment
3. US. Environmental Protection Agency, ‘SITE Technology Capsule: Terra-Kleen Solvent Extraction Technology’, US. EPA, Office of Research and Development, Cincinnati, OH, EPA/540/R-94/521a (February 1995).
4. ‘Reclamation of Polluted Wet Sods’, US Patent 5585002, 17/12/96.
5. ‘Linee guida per i progetti di bonifica e valori limite di concentmione dei contaminanti nelle acque e nei terreni’, Supplemento Ordinario al Bollettino Ufficiale della Regione Toscana, 36 (16/6/93).