| 000 | 00521nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 191218s9999 xx 000 0 und d | ||
| 020 | _a0-7166-0572-4 | ||
| 041 | _aen | ||
| 082 | _aR 500 Sc271s | ||
| 100 |
_aSin datos _911553 |
||
| 110 | _aField Enterprises Educational Corporation | ||
| 245 | 0 | _aScience year. The world book science annual 1972: a review of science and technology during 1971 school year | |
| 260 |
_aChicago _c1971 _bField Enterprises Educational Corporation |
||
| 300 | _a443 | ||
| 942 |
_cBK _2ddc |
||
| 999 |
_c598557 _d598557 |
||