01287cas a22003137a 450000500170000000800410001701000100005801100100006802200140007803500100009224501130010226000730021530000070028831000230029532100230031836200190034165000560036065000680041686600600048486600600054486600570060486600580066186600540071986600580077386600580083186600230088986600300091286600310094220220329142017.0990211c1994    us mr pernn   0 uub1eng d  a77013  a779850 a1076-3333  a8776100aResource :bEngineering & Technology for a Sustainable Worldc/by American Society of Agricultural Engineers0 aSt. Joseph, MI :bAmerican Society of Agricultural Engineers,c1994-  av.  a8 núm. por año  a10 núm por año  av.5 n.11, 199814aDesarrollo sustentablexPublicaciones periódicas.14aRecursos naturalesxConservaciónxPublicaciones periódicas.  av. 10 n. 1 (January 2003) - v. 10 n. 12 (December 2003)  av. 13 n. 1 (January 2006) - v. 13 n. 9 (September 2006)  av. 14 n. 1 (January 2007) - v. 14 n. 8 (August 2007)  av. 16 n. 2 (February 2009) - v. 16 n. 8 (August 2009)  av. 17 n. 1 (January 2010) - v. 17 n. 3 (May 2010)  av. 5 n. 1 (January 1998) - v. 7 n. 12 (December 2000)  av. 8 n. 1 (January 2001) - v. 8 n. 12 (December 2001)  av.1 n.1-8 - (1994)  av.16. n.4 (2009) - (2009)  av.17 n.1-4 (2010) - (2010)