| 000 | 00667nam a2200217 a 4500 | ||
|---|---|---|---|
| 001 | BRCA_6960 | ||
| 005 | 20190320205647.0 | ||
| 008 | 181111s1951----u--a######---#000-0#eng-# | ||
| 041 | _aeng | ||
| 044 | _au | ||
| 050 | 4 |
_aRF300 _b.C66 1951 |
|
| 100 | 1 |
_aCorliss, Edith L. R. _917347 |
|
| 245 | 1 | 0 |
_aSelection of hearing aids _cEdith L. R. Corliss. |
| 260 |
_aWashington, D. C. _bUnited States Department of Commerce, National Bureau of Standards _c1951 |
||
| 300 |
_aiv, 17 p. _bil. _c23 cm. |
||
| 440 | 0 |
_aE. U. National Bureau of Standards circular _v516 _917348 |
|
| 500 | _aO198 | ||
| 650 | 1 | 4 |
_aAparatos para la sordera _917349 |
| 902 | _aGFM | ||
| 942 |
_2lcc _cB |
||
| 999 |
_c6642 _d6642 |
||