%0 U.S. Federal Government Document %0 Print %0 Book %A Paffenbarger, G. C. (George Corbley), 1902- %E Rupp, R. W. %E Malmstedt, Margaret %I U.S. Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. Govt. Print. Off. %D 1980 %C Washington, D.C. %G English %B NBS special publication %@ $3.50 (pbk.) %T Organizations engaged in preparing standards for dental materials and therapeutic agents with a list of standards