668.4 RAO 2nd ed.
Design formulas for plastics engineers /
A review of the literature on the ageing and weathering or plastics /
Plastics for industry :
a manual of rigid plastics
Plastics recycling as a future business opportunity :
proceedings of RecyclingPlas VI - Conference, held in May 22-23, 1991 at the Mayflower Hotel, Washington D.C. /
668.4 RED 2nd ed. Ref.
A guide to plastics /
Modern industrial plastics /
Basic guide to plastics in packaging /