... Safety code for the industrial use of X-rays
By: approved April l5, 1946.
Publisher: The Association
Published: 1946
Place of publication: [New York]
Language: eng
Number of pages: 54
Subjects: X-rays -- Safety measures.; X-rays -- Industrial applications.
Notes: At head of title: American war standard.  ASA Z54.1-1946.
"The committee which developed the code is: ASA war committee on safety code for the industrial use of X-rays."--Foreword.