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| LEADER |
01701nas a2200493a 44500 |
| 001 |
UBP-R49 |
| 003 |
AR-CdUBP |
| 005 |
20220310162319.0 |
| 008 |
151212cuuuu#######||#p||||||||###||eng|d |
| 022 |
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|a 0005-8580
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| 040 |
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|a AR-CdUBP
|b spa
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| 041 |
|
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|a eng
|
| 080 |
|
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|a 621.39 BELL
|
| 245 |
0 |
0 |
|a Bell system technical journal
|
| 260 |
|
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|a Short Hills, N.J. :
|b American Telephone and Telegraph Company
|
| 300 |
|
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|a v. :
|b il. ;
|c 23 cm.
|
| 310 |
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|a Mensual [excepto mayo/jun y jul./ago.]
|
| 321 |
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|a Irregular,
|b 1942-64
|
| 321 |
|
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|a Trimestral,
|b 1922-41
|
| 500 |
|
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|a Colección cerrada.
|
| 510 |
|
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|a Sociological abstracts
|x 0038-0202
|
| 510 |
|
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|a Mathematical reviews
|x 0025-5629
|
| 510 |
|
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|a Life sciences collection
|
| 510 |
|
|
|a International aerospace abstracts
|x 0020-5842
|
| 510 |
|
|
|a GeoRef
|x 0197-7482
|
| 510 |
|
|
|a Engineering index monthly
|x 0742-1974
|
| 510 |
|
|
|a Engineering index energy abstracts
|x 0093-8408
|
| 510 |
|
|
|a Engineering index bioengineering abstracts
|x 0736-6213
|
| 510 |
|
|
|a Chemical abstracts
|x 0009-2258
|
| 510 |
|
|
|a Physics abstracts. Science abstracts. Series
|x 0036-8091
|
| 510 |
|
|
|a Electrical & electronics abstracts
|x 0036-8105
|
| 510 |
|
|
|a Computer & control abstracts
|x 0036-8113
|
| 510 |
|
|
|a Applied science & technology index
|x 0003-6986
|
| 561 |
|
|
|a 1941 20(3-4); 1982 61(1-8,10).
|
| 580 |
|
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|a Continuada por: AT&T Bell Laboratories Technical Journal
|
| 650 |
|
4 |
|a TELECOMUNICACIONES
|
| 650 |
|
4 |
|a INGENIERIA ELECTRICA
|
| 710 |
2 |
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|a American Telephone and Telegraph Company
|
| 931 |
|
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|a 49
|b UBP-R
|
| 937 |
|
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|a D
|
| 942 |
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|2 cdu
|c CR
|
| 945 |
|
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|a SGM
|a LPO
|
| 984 |
|
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|a H
|b 621.39 BELL
|
| 999 |
|
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|c 31301
|d 31301
|