| 000 | 00711nam a2200229Ia 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 005 | 20220925194817.0 | ||
| 006 | a|||||r|||| 00| 0 | ||
| 007 | ta | ||
| 008 | 220923b |||||||| |||| 00| 0 eng d | ||
| 037 | _cGeneral Book | ||
| 040 |
_aRTL _cRTL _beng |
||
| 041 |
_2eng _aeng |
||
| 082 | _aX36:731.56.N73, L3 | ||
| 100 |
_aWAVERMAN Leonard _9249441 |
||
| 245 | 0 |
_aDemand for trunk telephone services in Great Britain _b The significance of quality change. |
|
| 260 |
_aCanada _bUniversity of Toronto _c1973 |
||
| 300 |
_a23p. _ccm. |
||
| 490 | _aWorking paper series | ||
| 942 |
_hX36:731.56.N73, L3 _cGB _2CC |
||
| 999 |
_c530821 _d530821 |
||