00437nam a2200157 a 450000100080000000500110000800800410001910000170006024500960007726000410017330000150021465000160022965000120024565300080025770000140026511404672010-08-13       1979    bl uuuu      00u1 u    #d1 aTHOMPSON, D.  aA study of the energy consumption of different agronomic practices in Saskatchewan-year II.  aSaskatchewan: Research Councilc1979  a136p.cil.  aAgricultura  aEnergia  aUso1 aGIMBY, M.