DETERMINATION OF ALPHA-S IN 2ND-ORDER QCD FROM HADRONIC-Z DECAYS - ABREU, P; ADAM, W; ADAMI, F; ADYE, T; AKESSON, T; ALEKSEEV, GD; ALLEN, P; ALMEHED, S; ALVSVAAG, SJ; AMALDI, U; ANASSONTZIS, E; ANTILOGUS, P; et al. (ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1992)