000 | 00448nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 150522s1968||||xx |||||||||||||| ||und|| | ||
020 | _a9.221e+009 | ||
082 |
_a331.70012 _bILO |
||
100 | _aInternational Labour Office. | ||
245 |
_aInternational standard classification of occupations. _cInternational Labour Office. |
||
250 | _aRev. ed. 1968. | ||
260 |
_aGeneva _b International Labour Office _c1968 |
||
300 | _avii, 355 p. | ||
942 | _cC | ||
999 |
_c30493 _d30493 |