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_983692 _aWorld Health Organization |
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| 245 | _aMagnetic fields | ||
| 260 |
_aGeneva: _bWorld Health Organization; _c1987 |
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| 300 | _a194 p. | ||
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_9107932 _aEnvironmental health criteria 69 |
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| 500 | _aIncludes reference. | ||
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| 650 | 4 |
_98016 _aHazardous materials |
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| 650 | 0 |
_9108696 _aMagnetic fields |
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| 942 | _cPR | ||