| 000 | 00419pam a2200145a 44500 | ||
|---|---|---|---|
| 082 |
_aBTS _bMONO B-1129 |
||
| 100 | _aShanck,R B,Cory,S I | ||
| 245 | 1 | _aRECENT DEVELOPMENTS IN THE MEASUREMENT OF TELEGRAPH TRANSMISSION | |
| 260 |
_a _b _c1939 |
||
| 300 | _a47 | ||
| 500 | _aBound With Bts Mono B-1100-1128,1130-1139.Lack No-1117,1119,1121,1124,1131. | ||
| 700 | _aCowan,F A | ||
| 964 | _gCIRC | ||
| 997 | _aTR17373 C | ||
| 999 |
_c404484 _d404484 |
||