627 Hydraulic engineering
627.5 Reclamation, irrigation, related topics
627.52 Irrigation 627.54 Drainage and reclamation from sea 627.56 Artificial recharge of groundwater 627.58 Shore protection de
627 Wasserbau
627.5 Landgewinnung, Bewässerung, verwandte Themen
627.52 Bewässerung 627.54 Dränung und Landgewinnung aus dem Meer 627.56 Künstliche Grundwasseranreicherung 627.58 Küstenschutz
Dewey Decimal Classification
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