This 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.
Categories: hep-th hep-ph