| 000 | 00420nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 180424s9999 xx 000 0 und d | ||
| 084 | _a374.4 H1 | ||
| 100 | _a"Holmberg, Boreje" | ||
| 245 | 0 | _aGrowth and Structure of Distance Education | |
| 250 | _a\\198600ENGGPSX | ||
| 260 | _aCroom Helm | ||
| 260 | _b1986 | ||
| 260 | _cWolfeboro | ||
| 300 | _a163p | ||
| 500 | _aincludes index and biblioraphy | ||
| 942 | _cBK | ||
| 999 |
_c51937 _d51937 |
||