References
- Caplan , P. , Laurence , D. , Amendola , A. and Cooper , T. 1982 . Health Hazard Control Technology Assessment of the Silica Flour Milling Industry Cincinnati, OH : National Institute for Occupational Safety and Health .
- American Conference of Governmental Industrial Hygienists . Industrial Ventilation, 13th ed . Cincinnati, OH : ACGIH .
- VDI-Gesellschaft Verfahrenstechnik und Chemieingenieurwesen (GVC) . 1974 . VDI-Wärmeatlas , 2nd ed.