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| LEADER |
01017nam a2200229 a 4500 |
| 008 |
050201s1980||||es a |||||||||||||spa|| |
| 041 |
|
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|a spa
|
| 094 |
|
|
|a 552.2
|b A489e
|
| 100 |
|
|
|a Amaya Dubón, Bernardo
|
| 700 |
|
|
|a Díaz, Estela Coralia
|
| 700 |
|
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|a Arías, Milagro del Carmen
|e coautor
|
| 245 |
|
|
|a Aplicaciones industriales del mineral perlita de El Salvador /
|c Bernardo Amaya Dubon, Estela Coralia Díaz, Milagro del Carmen Arias.
|
| 260 |
|
|
|a San Salvador :
|b Universidad de El Salvador,
|c 1980
|
| 300 |
|
|
|a 122 h. ;
|b il.
|
| 502 |
|
|
|a Tesis (Ing. Química) -- Universidad de El Salvador
|
| 650 |
|
|
|a MINERAL PERLITA
|
| 991 |
|
|
|a No asignado
|
| 992 |
|
|
|a 26/07/2010
|
| 942 |
|
|
|c BK
|
| 999 |
|
|
|c 70361
|d 70361
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 552_200000000000000_A489E
|7 0
|8 T
|9 127056
|a 10
|b 10
|c T
|d 2012-08-15
|i 10120686
|o 552.2 A489e
|p 10120686
|r 2012-08-15
|w 2012-08-15
|y TS
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 1980_000000000000000_A5DA
|7 0
|8 T
|9 127057
|a 15
|b 15
|c T
|d 2012-08-15
|i 15105075
|o 1980 A5Da
|p 15105075
|r 2012-08-15
|t 1
|w 2012-08-15
|y TS
|x 08/05/2012
|