00687nam a2200217 a 450000100080000000500110000800800410001910000270006024500770008726001270016430000110029165000160030265000140031865300140033265300120034670000180035870000200037670000230039670000240041970000260044312572202016-05-10       2009    bl uuuu     u00u1 u    #d1 aFERNANDES, E. A. de N.  aDevelopment of reference materials to support the Brasilian agriculture.  aIn: BIOLOGICAL AND ENVIRONMENTAL REFERENCE MATERIAL SYPOSIUM, 12., 2009, Oxford. Proceedings... Oxford: Leble Colegec2009  ap. 151  aagriculture  amaterials  aBrazilian  aSupport1 aBACCHI, M. A.1 aSARRIÉS, G. A.1 aTAGLIAFERRO, F. S.1 aBARBOSA JÚNIOR, F.1 aNOGUEIRA, A. R. de A.