Massless fields and Wigner classificationLoide, Rein-Karl; Ots, I.; Saar, R.TU Wien, WigSym 5, 25-29 Aug. 1997 : program & abstracts1997 / p. 48

Poincare realizations in the field theoryLoide, Rein-Karl; Ots, I.; Saar, R.TU Wien, WigSym 5, 25-29 Aug. 1997 : program & abstracts1997 / p. 49

Relativistic wave equations with weak discrete symmetrics and new algebrasLoide, Rein-Karl; Ots, I.; Saar, R.; Kiiranen, K.TU Wien, WigSym 5, 25-29 Aug. 1997 : program & abstracts1997 / p. 67