Cardoso, T. R. [UNESP]Castro, L. B. [UNESP]de Castro, A. S. [UNESP]2014-05-202014-05-202008-09-15Physics Letters A. Amsterdam: Elsevier B.V., v. 372, n. 38, p. 5964-5967, 2008.0375-9601http://hdl.handle.net/11449/9195The Duffin-Kemmer-Petiau (DKP) equation with a square step potential is used in a simple way with polymorphic purposes. it proves adequate to refuse a proposed new current that is currently interpreted as a probability current,to show that the Klein paradox does exist in the DKP theory and to revise other minor misconceptions diffused in the literature, (C) 2008 Elsevier B.V. All rights reserved.5964-5967engArtigo10.1016/j.physleta.2008.08.001WOS:000259626700006Acesso restrito5811700083195480