| 000 | 00361pam a2200133a 44500 | ||
|---|---|---|---|
| 082 |
_aBTS _bMONO 3643 |
||
| 100 | _aDeininger,R L | ||
| 245 | 1 | _aHUMAN FACTORS STUDIES OF THE DESIGN AND USE OF PUSH-BUTTON TELEPHONE KEYSETS | |
| 260 |
_a _b _c1960 |
||
| 300 | _a17 | ||
| 500 | _aBound With Bts Mono 3601-3642,3644-3650 | ||
| 964 | _gCIRC | ||
| 997 | _aTR19270 C | ||
| 999 |
_c403008 _d403008 |
||