000 | 00457nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 190516s9999 xx 000 0 und d | ||
028 |
_bBangalore Tract & Book Society _c3909-10/3945-46 _d24/10/1972 |
||
100 |
_aUnesco _912789 |
||
245 | 0 | _aUnesco Source Book for Science Teaching | |
260 |
_bUnesco _c1962 _aUnesco |
||
300 | _a250 | ||
600 |
_tPure Science _9133792 |
||
650 |
_aPure Science _9133792 |
||
942 | _cBK | ||
999 |
_c126187 _d126187 |