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rapport 1980-03 - Stowa

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83. Van der Velden, P.M. & Smolders. C.A. - Zuivering van<br />

industrieel afvalwater door middel van membraanprocessen.<br />

H20, 8, (1975)22, 450-453.<br />

84. Visser, J.K. - De invloed van de menging van de grenslaag in<br />

een dubbellaagsfilter<br />

820. 9, (1976)16, 305-306.<br />

85. Vrale, L. 6 Jordan, R.M. - Rapid Mixing in Water Treatment.<br />

Journ. A.W.W.A., o, (1971)1, 52-58.<br />

86. Wood, R.. Smith, U.S. 6 Murray, J.K. - An Investigation into<br />

Upward-flow Filtration<br />

Wat.Pollut. Control, - 67, (1968), 421-426.<br />

87. Zanitsch. R.H. & Morand, J.M. - Tertiary treatment of<br />

combined wastewater.<br />

Water and Wastes Engineering, 1, (197019, 58-60.

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