00655nam a2200169Ia 4500008004100000082002300041100003600064245003400100260004800134300000900182490003400191600008600225650003600311942001000347952011100357999001700468130903s9999    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  cGRBK   00102ddc4070aKSDbKSDd2013-09-03l0o620.91:63(063)  L4pG2735r2013-09-03 00:00:00w2013-09-03yGRBK  c84067d84067