000 | 00407 a2200157 4500 | ||
---|---|---|---|
080 |
_a025.45 _bU 58 |
||
245 | 1 | _aUniversal Decimal Classification | |
250 | _a4th edn. | ||
260 |
_aLondon _bBritish Standard Institute _c1970 |
||
650 | _aUniversal Decimal Classification | ||
700 | _aBritish Standard Institute | ||
500 | _aB.S. 1000 (633/635) | ||
100 |
_a _d |
||
300 | _a35 p. | ||
901 | _a108600 | ||
999 |
_c19399 _d19399 |