00000nam 2200000zi 4500 9.902708 CaOODSP 20250303104653 m o d f cr cn||||||||| 210819r19721968onca ob f000 0 eng d CaOODSP eng rda CaOODSP A53-1040/1972E-PDF A53-1040 Thompson, J. L., author. Comparison of the power costs of tractors / J.L. Thompson. Revision. Ottawa : Department of Agriculture, 1972. 1 online resource (8 unnumbered pages) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [provided by Agriculture and Agri-Food Canada]. "Publication 1040, revised 1967." "Printed 1968, revised 1960, 1967, reprinted 1969, 1972." Issued also in French under title: Comparaison du coût de la puissance des tracteurs. Includes bibliographical references (page 8). Farm tractors Cost of operation. Canada. Department of Agriculture, issuing body. Comparaison du coût de la puissance des tracteurs / (CaOODSP)9.902707 PDF 739 KB https://publications.gc.ca/collections/collection_2021/aac-aafc/A53-1040-1972-eng.pdf