Radium, and other Radio- Active Substances: Polonium, Actinium, and Thorium, with a Consideration of phosphorescent and fluorescent Substances, the Prosperties and Applications of Selenium and the Disease by the Ultra- Violet Light. - HAMMER, WILLIAM J.

"Radium, and other Radio- Active Substances: Polonium, Actinium, and Thorium, with a Consideration of phosphorescent and fluorescent Substances, the Prosperties and Applications of Selenium and the Disease by the Ultra- Violet Light." is een boek van HAMMER, WILLIAM J.. Deze editie verscheen in 1903.