Authors: Caproni, A Abraham, Z Vilas-Boas, JWS

Citation: A. Caproni et al., Study of the ammonia emission in the NGC 6334 region, ASTRON ASTR, 361(2), 2000, pp. 685-694

Authors: Romero, GE Chajet, L Abraham, Z Fan, JH

Citation: Ge. Romero et al., Beaming and precession in the inner jet of 3C 273 II. The central engine, ASTRON ASTR, 360(1), 2000, pp. 57-64

Authors: Abraham, Z

Citation: Z. Abraham, Precession, beaming and the periodic light curve of OJ287, ASTRON ASTR, 355(3), 2000, pp. 915-921

Authors: Vilas-Boas, JWS Abraham, Z

Citation: Jws. Vilas-boas et Z. Abraham, NH3(1,1) survey toward southern hemisphere HII regions. I, ASTRON ASTR, 355(3), 2000, pp. 1115-1121

Authors: Abraham, Z Romero, GE

Citation: Z. Abraham et Ge. Romero, Beaming and precession in the inner jet of 3C 273, ASTRON ASTR, 344(1), 1999, pp. 61-67