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  1. 1
    by Pell, Mikael
    Published 1991
    Uppsala Swedish University of Agricultural Sciences, Dept. of Microbiology 1991.
    1 v. (various pagings)
  2. 2
    by Klein, Günter
    Published 1979
    Dortmund : Institut für Wasserfoschung, 1979.
    129 p. : ill. ; 21 cm.
  3. 3
    by Toerien, Danie Francois
    Published 1969
    Pretoria, South Africa : University of Pretoria, 1969.
    iv, 214 leaves : ill. ; 30 cm.
  4. 4
    by Ruys, Jan Daniël, 1889-
    Published 1914
    Rotterdam, Nijgh & Van Ditmar's Uitg.-Mij, 1914.
    6 p. ̋., 125 p. fold. plan. 25 cm.
  5. 5
    by Weijers, Stefan Richard
    Published 2000
    Eindhoven : Technische Universiteit Eindhoven, 2000.
    viii, 235 p. : ill. ; 25 cm.
  6. 6
    by Jessen, Carl Ulrik, 1911-
    Published 1955
    København, G.E.C. Gad, 1955.
    282 p. diagrs., plans. 26 cm.
  7. 7
    by Hasselblad, Serena K. R.
    Published 1999
    Uppsala, Sweden : Acta Universitatis Upsaliensis, 1999.
    28 p. : ill. ; 24 cm.
  8. 8
    by Kansiime, Frank
    Published 1999
    Rotterdam, Netherlands ; Brookfield, VT : A.A. Balkema, 1999.
    300, A16 p. : ill. ; 25 cm.
  9. 9
  10. 10
    by Müller, D. (Dieter)
    Published 1980
    Stuttgart : Biologisches Institut der Universität Stuttgart, 1980.
    122 p. : ill. ; 21 cm.
  11. 11
    by Kordes, Bernhard
    Published 1987
    Karlsruhe : Institut für Siedlungswasserwirtschaft, Universität Karlsruhe, c1987.
    viii, 194, A14 p. : ill. ; 21 cm.
  12. 12
    by Wittgren, Hans-Bertil
    Published 1988
    Linköping, Sweden : Universitetet i Linköping, 1988.
    1 v. (various pagings) : ill. ; 24 cm.
  13. 13
  14. 14
    by Dimitrios, Siskos, 1957-
    Published 1989
    Karlsruhe : Institut für Siedlungswasserwirtschaft, Universität Karlsruhe, c1989.
    1 v. (various pagings) : ill., maps ; 21 cm.
  15. 15
    by Tuin, Bernard Jan Willem
    Published 1989
    Netherlands : Technische Universiteit Eindhoven, 1989.
    179 p. : ill. ; 225 cm.
  16. 16
    [s.l. : s.n.], 1976.
    142 p. : ill. ; 24 cm.
  17. 17
    by Lundgren, Bo, 1955-
    Published 1989
    Linköping : Linköping University, 1989.
    1 v. (various pagings) : ill. ; 24 cm.
  18. 18
    Groningen, M. de Waal, 1929.
    4 p. l., 75, [1] p.,1 l. incl. tables. 40 fold. pl. (incl. diagrs.) 25 cm.
  19. 19
    by Gobé, Michel Louis, 1945
    Published 1969
    Toulouse, Impr. Toulousaine, 1969.
    100 p.
  20. 20
    by Yayehyirad, Gashaw
    Published 1992
    [Karlsruhe] : Institut für Ingenieurbiologie und Biotechnologie des Abwassers, Universität Karlsruhe, 1992.
    109 p. : ill. ; 21 cm.

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