1. 1967. American Conference of Governmental Industrial Hygienists: Threshold Limit Values for 1967., 1014Broadway, Cincinnati, Ohio: American Conference of Governmental Industrial Hygienists. 45202
2. 1966. Committee on Threshold Limit Values: Documentation of Threshold Limit Values., 1014Broadway, Cincinnati, Ohio: American Conference of Governmental Industrial Hygienists. 45202
3. Psychophysiological Testing of Human Subjects Exposed to Solvent Vapors