تعداد ۱ پاسخ غیر تکراری از ۱ پاسخ تکراری در مدت زمان ۶,۸۴ ثانیه یافت شد.

1. Improvements in reservoir construction, operation and maintenance

Author: the British Dam Society ; edited by Henry Hewlett.

Library: Center and Library of Islamic Studies in European Languages (Qom)

Subject: Dams, Congresses.,Reservoirs-- Management, Congresses.,Reservoirs, Congresses.

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