| 000 | 00360nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1955 xx 000 0 und d | ||
| 082 | _a620.102 C71U | ||
| 100 | _aCRAWFORD, Alen E | ||
| 245 | 0 | _aUltrasonic engineering | |
| 260 |
_bLondon _c1955 |
||
| 300 | _a344p | ||
| 650 | _aACOUSTICAL ENGINEERING | ||
| 653 | _aACOUSTICAL ENGINEERING | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c22000 _d22000 |
||