| 000 | 00357nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 160316s1991 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_a0.000000 _b |
||
| 100 | _aVan Ek J A | ||
| 245 | _aThreshold level 1990 | ||
| 250 | _a | ||
| 260 |
_aStrasbourg _bCouncil of Europe _c1991 |
||
| 300 |
_a251p _b _c |
||
| 365 | _b | ||
| 650 | _a | ||
| 700 |
_aTrim J J M _a |
||
| 999 |
_c18578 _d18578 |
||