Protective measures against dangers resulting from the use of radium, Roentgen and ultra-violet rays /
by Hermann Wintz, with the assistance of Walther Rump.

APA Citation

League of Nations. Secretariat. Health Section., Wintz, H., Health Organisation. (1931). Protective measures against dangers resulting from the use of radium, Roentgen and ultra-violet rays. [Geneva.

MLA Citation

League of Nations. Secretariat. Health Section, Hermann Wintz, and Health Organisation. Protective Measures Against Dangers Resulting From the Use of Radium, Roentgen And Ultra-violet Rays. [Geneva, 1931.

Warning: These citations may not always be complete (especially for serials).