00659cam a22002294a 450000100060000000300110000600500170001700800410003404000270007504100080010204400080011008000170011811000500013524501010018525000120028626000350029830000270033365000180036065000160037865000250039465500100041937296AR-SsjUBGM20251206162928.0250720s1945 xxu 000 0 eng d aAR-SsjUBGMcAR-SsjUBGM0 aeng axxu a631.42:542.22 aAssociation of Official Agricultural Chemists10aOfficial and tentative methods of analysis of the Association of Official Agricultural Chemists. a6th ed. aWashington :bA.O.A.C.,c1945. a932 p. :bil. ;c23 cm 4aMetodología 4aAgricultura 4aAnálisis químico 4aLibro