| 000 | 00399 a2200121 4500 | ||
|---|---|---|---|
| 035 | _a | ||
| 090 |
_c18435 _d18435 |
||
| 245 |
_aSixth report of the International Clearinghouse on Science and Mathematics Curricular Developments 1968 _cEd. J. David Lockard |
||
| 260 |
_aMaryland _bUniversity Maryland _c1968 |
||
| 300 |
_a423 p _c25 cm |
||
| 500 | _aLucrarea este multigrafiata | ||
| 942 |
_aIMAR _cCART _sSN |
||
| 999 |
_c18183 _d18183 |
||