SPI Technical/Marketing Conference (30th : 1986 : Toronto, Ont.)
New York, N.Y. : Society of the Plastics Industry, Polyurethane Division ; Lancaster, Pa., USA : Distributed by Technomic Pub. Co., c1986.
1986
Polyurethanes World Congress (1997 : Amsterdam, The Netherlands)
New York, N.Y. : Society of the Plastics Industry ; Brussels, Belgium : European Isocyanate Producers Association, c1997.
1997