00317nam a2200109Ia 450000500170000000800410001708200150005810000190007324500600009226000470015230000080019920260224040835.0260224s9999||||xx |||||||||||||| ||und||  a630.58 USD  aUnites States  0aCutting energy costs: the year book of agriculture 1980  aWashington: U.S. Department of Agri.c1980  a397