| 000 | 00409nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1949 xx 000 0 und d | ||
| 041 | _aEnglish | ||
| 082 | _aGN371.33 MC219 | ||
| 100 | _aALVIN B ROBERTS | ||
| 245 | 0 | _aAUDIO-VISUAL AIDS TO INSTRUCTION | |
| 260 |
_aNEW YORK _bMcGRAW-HILL BOOK COMPANY, INC. _c1949 |
||
| 300 |
_a608 _ePrint |
||
| 653 | _aAUDIO-VISUAL AIDS TO INSTRUCTION | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c694642 _d694642 |
||