X-Ray and radium protection
Subtitle: recommendations of International Congress of Radiology.
Contributors: United States. Bureau of Standards.
Series: Circular of the Bureau of Standards -- no. 374
Publisher: Government Printing Office
Published: 1929
Place of publication: Washington
Language: eng
Subjects: X-rays -- Safety measures.; Radiation -- Safety measures.
Notes: "January 23, 1929."

At head of title: Department of Commerce. Bureau of Standards.