Preprints / 5th international IFAC-IMEKO conference on Instrumentation and automation in the paper, rubber, plastics and polymerisation industries, Antwerp, Belgium, October 11 - 13, 1983 ; edited by A. Van Cauwenberghe,... ; [organized by Belgian Institute of Automatic Control (BIRA)] / Antwerp, Belgium : Belgian Institute of Automatic Control , cop. 1983