Name of the Speaker(s): Marco Bondi
Institution: Istituto di Radioastronomia
Title of the communication: FR I and FR II radio sources in the 1 Jy sample of BL Lac objects
Preliminary abstract (12 lines max.): We present the final results from multifrequency VLA observations aimed to investigate the polarization properties and the amount of extended emission in about 20 BL Lac objects selected from the 1 Jy sample (Stickel et al. 1991).