2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/148323This talk presents the review of forgotten but attractive formalism proposed by Joos and Weinberg in the sixties for description of high-spin particles. Problems raised in the recent works [Ahluwalia {\it et al.}] are discussed. New results obtained by the author in his preceding papers ["Hadronic J.", 1993, v. 16, No. 5, pp. 423-428; No. 6, pp. 459-467; Preprints IFUNAM FT-93-19, 24, 35] are reported. In {\it Appendix}, bibliography of publications related with mentioned $2(2S+1)$- component formalism is presented.Talk presented at the ELAF'93, Mar del Plata. July 5-16,1993 and at the XVII Symp. on Nucl.Phys., Oaxtepec.Jan. 4-7,1994. LaTeX file, 16 pp. Preprint IFUNAM FT-94-36High Energy Physics - TheoryHigh Energy Physics - Phenomenologytext