| LDR | 01050nam a22002411 4500 | ||
| 001 | 001350864 | ||
| 003 | MiAaHDL | ||
| 005 | 20210817000000.0 | ||
| 006 | m d | ||
| 007 | cr bn ---auaua | ||
| 008 | 890828s1950 wau||||||||||f||| ||eng| | ||
| 010 | ⊔ | ⊔ | ‡aa 52009037 |
| 035 | ⊔ | ⊔ | ‡a(MiU)990013508640106381 |
| 035 | ⊔ | ⊔ | ‡asdr-miu.990013508640106381 |
| 035 | ⊔ | ⊔ | ‡a(OCoLC)63596885 |
| 035 | ⊔ | ⊔ | ‡a(SAZTEC)050100090 |
| 035 | ⊔ | ⊔ | ‡a(CaOTULAS)176335759 |
| 035 | ⊔ | ⊔ | ‡z(MiU)Aleph001350864 |
| 040 | ⊔ | ⊔ | ‡cSAZTEC ‡dMiU |
| 110 | 1 | ⊔ | ‡aUnited States. ‡bInterstate Commerce Commission. ‡bBureau of Safety. |
| 245 | 1 | 0 | ‡aRules, standards, and instructions for installation, inspection, maintenance and repair of automatic block signal systems, interlocking, traffic control systems, automatic train stops, train control, and cab signal systems, and other similar appliances, methods and systems. Effective Oct. 1, 1950. |
| 260 | ⊔ | ⊔ | ‡a[Washington, ‡bU. S. Govt. Print. Off., ‡c1950] |
| 300 | ⊔ | ⊔ | ‡a48 p. ‡c17 cm. |
| 500 | ⊔ | ⊔ | ‡aAt head of title: Ex parte no. 171. |
| 500 | ⊔ | ⊔ | ‡aCover title. |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 650 | ⊔ | 0 | ‡aRailroads ‡xSafety appliances ‡y[1950]. |
| 650 | ⊔ | 0 | ‡aRailroads ‡xSignaling ‡y[1950]. |
| CID | ⊔ | ⊔ | ‡a001350864 |
| DAT | 0 | ⊔ | ‡a20080219124004.0 ‡b20210817000000.0 |
| DAT | 1 | ⊔ | ‡a20210928140712.0 ‡b2023-04-06T17:37:49Z |
| CAT | ⊔ | ⊔ | ‡aSDR-MIU ‡dALMA ‡lprepare.pl-004-008 |
| FMT | ⊔ | ⊔ | ‡aBK |
| HOL | ⊔ | ⊔ | ‡0sdr-miu.990013508640106381 ‡aMiU ‡bSDR ‡cMIU ‡pmdp.39015021127520 ‡sMIU ‡1990013508640106381 |
| 974 | ⊔ | ⊔ | ‡bMIU ‡cMIU ‡d20230406 ‡sgoogle ‡umdp.39015021127520 ‡y1950 ‡rpd ‡qbib ‡tUS fed doc |