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Tratamiento y purificación del agua / por William J. Ryan ; versión castellana de Abelardo J. Tejo. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Buenos Aires Hasa 1945
Availability: Items available for loan: Biblioteca Pedro Arrupe (1)Call number: TD 745 R9318 1945.

Operación de plantas de tratamiento primario de aguas residuales by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: México : SARH
Availability: Items available for loan: Biblioteca Pedro Arrupe (1)Call number: TD 745 O64.