Recyclingplas Conference on Plastics Recycling as a Future Business Opportunity (4th : 1989 : Washington, D.C.), Plastics Institute of America, Inc.

Recyclingplas Conference on Plastics Recycling as a Future Business Opportunity (2nd : 1987 : Washington, DC)

Recyclingplas Conference on Plastics Recycling as a Future Business Opportunity (3rd : 1988 : Washington, D.C.), Plastics Institute of America, Inc.

Recyclingplas Conference on Plastics Recycling as a Future Business Opportunity (1st : 1986 : Washington, D.C.), Plastics Institute of America, Inc.

Scheirs, John, Kaminsky, Walter

La Mantia, Francesco Paolo

Albertsson, Ann-Christine, 1945-, Huang, Samuel J.

Jody, B. J.

Abdul Rahman Songip, Malaysian Chemical Engineering Symposium (10th : 1994 : Penang)

Rader, Charles P., 1935-, American Chemical Society. Division of Polymer Chemistry, American Chemical Society Meeting (208th : 1994 : Washington, DC)

RecyclingPlas Conference (6th : 1991 : Washington, DC), Plastics Institute of America, Inc.