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  1. 1
    by Junk, Johann Jakob, 1948-
    Published 1982
    Bonn : [s.n.], 1982.
    154 p. : ill. ; 21 cm.
  2. 2
    by Kamnalrut, Apinan, 1944-
    Published 1982
    Bonn : [s.n.], 1982.
    108 p. : ill. ; 21 cm.
  3. 3
    by Hellweg, Wilhelm
    Published 1976
    [Hiltrup (Westf.)] : KTBL-Schriftenvertrieb im Landwirtschaftsverl., 1976.
    152 p. : ill., graphs ; 21 cm.
  4. 4
    Bonn : Aus dem Institut für Pflanzenkrankheiten der Rheinischen Friedrich-Wilhelms-Universität zu Bonn, 1980.
    107, [5] p. : ill. ; 21 cm.
  5. 5
    by Meyer, Sharareh, 1954-
    Published 1982
    Bonn : [s.n.], 1982.
    107 p. : ill. ; 21 cm.
  6. 6
    by Nacken, Jochen
    Published 1973
    Frankfurt am Main : Kuratorium für Technik und Bauwesen in der Landwirtschaft e. V., 1973.
    1a, iv, 175 p. : ill. ; 21 cm.
  7. 7
    by Ackermann, Heinz Hermann
    Published 1974
    Bonn : Universität Bonn, 1974.
    93 p.
  8. 8
    by Picard, Klaus, 1955-
    Published 1982
    Bonn : [s.n.], 1982.
    130 p. : ill. ; 21 cm.
  9. 9
  10. 10
    by Sadri, Reza, 1921-
    Published 1959
    [Bonn, G. Menden, 1959]
    51 p. illus. 21 cm.
  11. 11
    by Mickenhagen, Ernst, 1910-
    Published 1938
    Radevormwald, F. Keim, 1938.
    69, [10] p. illus. 21 cm.
  12. 12
    Bonn, 1964.
    114 p. illus. 21 cm.
  13. 13
    by Meiwes, Hermann, 1911-
    Published 1939
    Bonn, Druck von Ludw. Leopold, 1939.
    380 p. illus. 24 cm.
  14. 14
    by Petuelli, Werner, 1947-
    Published 1981
    Bonn : [s.n.], 1981.
    249 p. : ill., maps ; 21 cm.
  15. 15
    by Sand, Heinz van de, 1910-
    Published 1939
    Bonn, L. Leopold. 1939.
    XIII, 370 p. illus. 24 cm.
  16. 16
    by Gross, Wolfgang
    Published 1982
    Germany : Universität Bonn, 1982.
    132 S : ill., graph. Darst.
  17. 17
    by Bertram, Hans-Hasso, 1936-
    Published 1966
    1966.
    74 p. illus., tables.
  18. 18
    by Reintgen, Peter
    Published 1905
    Berlin, Gedruckt in der Königl. Hofbuchdruckerei von E.S. Mittler & Sohn, 1905.
    iv, 146 p. incl. diagrs., fold. map. 24 cm.
  19. 19
    by Niehues, Hans, 1913-
    Published 1939
    Bonn, Druck von Ludw. Leopold, 1939.
    77 p. illus., diagrs. 24 cm.
  20. 20
    by Tillmann, Erhard
    Published 1972
    Bonn : aus dem Institut für Tierzucht und Tierfütterung der Rheinischen Friedrich-Wilhelms-Universität, 1972.
    129 p. ; 21 cm.

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