| 000 | 01151pam a2200277 a 4500 | ||
|---|---|---|---|
| 999 |
_c945 _d945 |
||
| 001 | 615886 | ||
| 003 | Biblioteca de INTEMIN | ||
| 005 | 20180501005531.0 | ||
| 008 | 920811s1993 dcua b f000 0 eng | ||
| 010 | _a 92026918 | ||
| 040 |
_aDLC _cDLC _dDLC |
||
| 050 | 0 | 0 |
_aTN23 _b.U43 no. 9452 _aTN345 |
| 082 | 0 | 0 |
_a622 _220 |
| 100 | 1 |
_aStrickland, W. H. _q(William H.) _93022 |
|
| 245 | 1 | 0 |
_aCharacteristics of ultrasonic ranging sensors in an underground environment / _cby W.H. Strickland and R.H. King. |
| 260 |
_aWashington, D.C. : _bU.S. Dept. of the Interior, Bureau of Mines, _c19932. |
||
| 300 |
_aii, 39 p. : _bill. ; _c28 cm. |
||
| 490 | 1 |
_aReport of investigations ; _v9452 |
|
| 504 | _aIncludes bibliographical references (p. 35-36). | ||
| 650 | 0 |
_aMining machinery _xAutomatic control. _92617 |
|
| 650 | 0 |
_aSonar. _93023 |
|
| 700 | 1 |
_aKing, Robert H. _93024 |
|
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v9452. _9793 |
|
| 906 |
_a7 _bcbc _corignew _d1 _eocip _f19 _gy-gencatlg |
||
| 942 |
_2udc _cCR |
||