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| LEADER |
00783nam a2200193 a 4500 |
| 008 |
050201s1998||||es |||||||||||||||||spa|| |
| 942 |
|
|
|c BK
|
| 041 |
|
|
|a spa
|
| 094 |
|
|
|a 1503
|b S574r
|
| 100 |
|
|
|a Sigarán Hernández, Mario Orlando
|
| 700 |
|
|
|a Zepeda Salguero, José Ricardo
|e coautor
|
| 700 |
|
|
|a Rivas Cerna, Carlos Ernesto
|e Asesor
|
| 245 |
|
|
|a Reciclaje de plásticos
|
| 260 |
|
|
|a San Salvador :
|b Universidad Centroamericana "José Simeón Cañas",
|c 1998
|
| 300 |
|
|
|a 135 h
|
| 502 |
|
|
|a Tesis (Ing. Mecánica) -- Universidad Centroamericana "José Simeón Cañas"
|
| 650 |
|
|
|a PLASTICOS-RECICLAJE
|
| 999 |
|
|
|c 67208
|d 67208
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 1503_000000000000000_S574R
|7 0
|8 T
|9 120597
|a 10
|b 10
|c T
|d 2012-08-15
|i 10118536
|l 1
|o 1503 S574r
|p 10118536
|r 2019-05-20
|s 2019-05-13
|t 1
|w 2012-08-15
|y TS
|