@article{eage:/content/papers/10.3997/2214-4609-pdb.316.86, author = "Cerqueira Neto, J.X.", title = "Equaçőes de Helmholtz de Ondas-P, S no Meio de Biot", journal= "", year = "1991", volume = "", number = "", pages = "", doi = "https://doi.org/10.3997/2214-4609-pdb.316.86", url = "https://www.earthdoc.org/content/papers/10.3997/2214-4609-pdb.316.86", publisher = "European Association of Geoscientists & Engineers", issn = "2214-4609", type = "", eid = "cp-316-00086", }