| 000 | 00507nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a246575 | ||
| 082 |
_a617.8 _bUNI |
||
| 100 | _aUNITED STATES: Department of Health | ||
| 245 | _aNoise and hearing: relationship of industrial noise to hearing acuity in a contr | ||
| 260 |
_aUSA _bDepartment of Health, Education and Welfare, Public health s _c1961 |
||
| 300 | _a72 p. | ||
| 440 | _aPublic health service No.850. | ||
| 650 | _aAudiology | ||
| 942 | _cS | ||
| 999 |
_c72860 _d72860 |
||