ROJAS-CUBIDES, Herbert Enrique; CORTES-GUERRERO, Camilo Andrés  y  FORERO-MEJIA, María Carolina. Local polynomial approximation and intersection of confidence intervals for removing noise of lightning electric field measurements. Dyna rev.fac.nac.minas [online]. 2018, vol.85, n.205, pp.264-273. ISSN 0012-7353.