| 000 | 00458nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 211115s9999 xx 000 0 und d | ||
| 020 | _a0-06-043591-7 | ||
| 041 | _aeng | ||
| 082 |
_aBv:4 _bM7 |
||
| 100 | _aKeller, Arnold. | ||
| 245 | 0 | _aWhen Machines Teach: Designing Computer Courseware / | |
| 250 | _a1st ed / | ||
| 260 |
_aNew York-10022 : _bHarper & Row Publishers, Inc. , _c1977 |
||
| 300 | _apvii,200 : | ||
| 650 | _aEconomics | ||
| 942 | _cTB | ||
| 999 |
_c18844 _d18844 |
||