A Quality Management Model for River and Underground Flow System
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should be introduced to establish the model.
ACKNOWLEDGEMENTS
The authors are greatly indebted to Prof. H. Sumitomo for valuable discussion and to
Mr. T. Yamada for his cooperation. This project is partly supported by Operation Control
Office for the Yodo River Dams, Kinki Regional Construction Bureau. Thanks are due to
Mr. T. Fujiwara, Director of the Office.