| 000 | 003470000a22001450004500 | ||
|---|---|---|---|
| 060 | _a100 | ||
| 082 | _a658.45 ZEL | ||
| 100 | _aZelko, Harold P | ||
| 245 | _aSuccesful conference and discussion techniques | ||
| 260 | _aU S A, Mc Graw- Hill Book Company Inc | ||
| 260 | _c1957 | ||
| 300 | _a260 | ||
| 650 | _aConference nature | ||
| 942 | _cBK | ||
| 999 |
_c221313 _d221313 |
||