Media type: E-Article Title: Gas Concentration-meter and Density-meter by Apphcation of Radition Absorption Contributor: IMAMURA, Hiroshi; TSUJII, Junro; TOMINAGA, Hiroshi imprint: Japan Radioisotope Association, 1962 Published in: RADIOISOTOPES Language: Not determined DOI: 10.3769/radioisotopes.11.9 ISSN: 1884-4111; 0033-8303 Keywords: Radiation Origination: Footnote: Access State: Open Access