TY - SER AU - Molina,J.C. AU - Calil JĂșnior,C. AU - Freitas,R.R.de TI - Mathematical model to estimate of the deterioration of wooden poles in contact with soil used in rural areas KW - MADEIRA KW - MODELO MATEMATICO KW - RESISTENCIA KW - ANALISE KW - LONGEVIDADE KW - POSTE UR - http://www.scielo.br/pdf/eagri/v31n5/19.pdf ER -