00475nam a2200193 a 450000100080000000500110000800800410001910000160006024500420007626000360011830000090015465300120016365300090017570000170018470000230020170000210022470000160024570000200026111150262000-11-23       1978    bl uuuu     u0uu1 u    #d1 aMURDOCK, J.  aDeterminacao quantitativa da calagem.  aPorto Alegre: MEC ; UFRGSc1978  a20p.  aCALAGEM  aSOLO1 aPAVAGEAU, M.1 aRUCKHEIM FILHO, O.1 aFRASCA FILHO, A.1 aFRATINI, C.1 aKALCKMANN, R.E.