共 50 条
- [2] RADIOACTIVE ISOTOPES [J]. PROCEEDINGS-AMERICAN SOCIETY FOR TESTING AND MATERIALS, 1954, 54 : 598 - 598
- [4] RADIOACTIVE ISOTOPES [J]. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1948, 136 (10): : 696 - 697
- [10] RADIOACTIVE ISOTOPES OF BARIUM [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1950, 72 (06) : 2818 - 2819