"Lagunas de oxidación, un medio efectivo y económico de autopurificación natural para aguas negras" /
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Format: | Thesis Book |
Language: | Spanish |
Published: |
San Salvador :
U.E.S.,
1967
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Online Access: | View in OPAC |
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View in OPACBiblioteca Central
Call Number: |
628.3 R621e |
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Biblioteca de Ingeniería y Arquitectura
Call Number: |
1967 R5C |
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Biblioteca Facultad Multidisciplinaria de Occidente
Call Number: |
628.162 R211L 1967 |
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Biblioteca Facultad Multidisciplinaria Oriental
Call Number: |
Civil R-9 |
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