| 000 | 00589 a2200181 4500 | ||
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| 005 | 20250512050109.0 | ||
| 264 | 0 | _c19880418 | |
| 008 | 198804s 0 0 eng d | ||
| 022 | _a0017-9078 | ||
| 040 |
_aNLM _beng _cNLM |
||
| 100 | 1 | _aStrom, D J | |
| 245 | 0 | 0 |
_aThe four principles of external radiation protection: time, distance, shielding and decay. _h[electronic resource] |
| 260 |
_bHealth physics _cMar 1988 |
||
| 300 |
_a353-4 p. _bdigital |
||
| 500 | _aPublication Type: Letter | ||
| 650 | 0 | 4 | _aRadiation Protection |
| 773 | 0 |
_tHealth physics _gvol. 54 _gno. 3 _gp. 353-4 |
|
| 999 |
_c3351921 _d3351921 |
||