Lemen, R. (1976). Revised recommended asbestos standard. U.S. Dept. of Health, Education, and Welfare, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health ; For sale by the Supt. of Docs., U.S. G.P.O..

Lemen, Richard. Revised Recommended Asbestos Standard. Cincinnati, Ohio : Washington, D.C.: U.S. Dept. of Health, Education, and Welfare, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health ; For sale by the Supt. of Docs., U.S. G.P.O., 1976.

Lemen, Richard. Revised Recommended Asbestos Standard. U.S. Dept. of Health, Education, and Welfare, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health ; For sale by the Supt. of Docs., U.S. G.P.O., 1976.