1. Workplace Atmospheres — Ultrafine, Nanoparticle and Nano-structured Aerosols — Inhalation Exposure Characterization and Assessment;ISO/TR 27628,2007
2. Vocabulary: Nanoparticles. PAS 71:2005;BSI British Standard,2005
3. Terminology for Nanotechnology;ASTM International,2006
4. Nanostructures and Nanomaterials. Synthesis, Properties and Applications;Cao,2004
5. Categorization framework to aid hazard identification of nanomaterials;Hansen;Nanotoxicology,2007