00631nam a2200157Ia 4500008004100000082002300041100003600064245003400100260004800134300000900182490003400191600008600225650003600311952010900347999001700456130903s9999    xx            000 0 und d  a620.91:63(063)  L4  aEdited  D.E.McCloud and others.  aA new look at energy sources.  aMadisonbAmerican Society of Agronomyc1974  a49p.  aASA Special Publication no.22  aAnnual Meeting of the American Society of Agronomy in Las Vegas, Nevada, Nov.1973  aAgricultural Engineering,Energy  00102ddc4070aKSDbKSDd2013-09-03l0o620.91:63(063)  L4pG55r2013-09-03 00:00:00w2013-09-03yGRBK  c81318d81318