/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%7BFarm%20tractors.%7D&sort_by=relevance&format=rss 2 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=11744 By Csorba, Julius J..
Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture, 1960 .
16 p. ; , Cover title. 26 cm..

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]]> /cgi-bin/koha/opac-detail.pl?biblionumber=11744 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=12375 By Gill, William R..
[Washington] Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967 .
viii, 511 p. 24 cm..

]]> Place hold on Soil dynamics in tillage and traction,

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