| 000 | 00447nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230621b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a625.1(540) _bP7 |
||
| 245 | _a50 Years of technical excellence 1957-2007 | ||
| 260 |
_bResearch Designs and Standards Organisation, _c2007 |
||
| 300 | _a74p. | ||
| 490 | _aRailway technical bulletin | ||
| 650 | _aBulletin | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c45733 _d45733 |
||