| 000 | 00386nam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 130508b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a9231015257 | ||
| 050 |
_aAS4 _b.U8 T44 1977 |
||
| 245 |
_aThinking Ahead _cUnesco |
||
| 260 |
_aUnited States _bEducational Scientific and Cultural Organization _cc1977 |
||
| 300 |
_a363p. _c24cm |
||
| 942 |
_2lcc _cBK _hAS4.U8 T44 1977 |
||
| 999 |
_c89647 _d89647 |
||