[Cincinnati, Ohio] : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health : [Publications Dissemination, National Institutes for Occupational Safety and Health, distributor ; Springfield, VA : U.S. Dept. of Commerce, National Technical Information Service, distributor, 1993]
HE 20.7102: M 97/2 |