| 000 | 00510nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 140601s1990 xx 000 0 und d | ||
| 020 | _a9231025309 | ||
| 041 | _aeng | ||
| 060 | _aT 44-51 1990IN | ||
| 100 | _aLayton D ed. | ||
| 245 | _aInnovations in science and technology education. | ||
| 260 |
_aParis _bUnited Nations Educational, Scientific and Cultural Org., _c1990 |
||
| 300 | _a247p. | ||
| 365 | _eGratis Book | ||
| 650 | _aScience-education | ||
| 650 | _aTechnology-education | ||
| 942 |
_2nlm _cBK |
||
| 999 |
_c7750 _d7750 |
||