Investigation of the splitting of quark and gluon jets - Abreu, P; Adam, W; Adye, T; Adzic, P; Ajinenko, I; Alekseev, GD; Alemany, R; Allport, PP; Almehed, S; Amaldi, U; Amato, S; Andersson, P; et al. (EUROPEAN PHYSICAL JOURNAL C, 1998)