| 000 | 00425nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 220407s9999 xx 000 0 und d | ||
| 040 | _cATVERC | ||
| 050 | _a06.08.3 AEC USA 1973 | ||
| 245 | 0 | _aAudiovisual instruction (oct 1973 - mar 1979) | |
| 260 |
_aWashington, D.C. _bAssociation for Educational Communications and Technology _c1973 |
||
| 300 |
_a204 p. : ill. ; 27 cm. _c27 cm |
||
| 650 | _aAudiovisual | ||
| 999 |
_c17483 _d17483 |
||