Kelen, Tibor Polymer degradation Tibor Kelen - New York Van Nostrand Reinhold Co. 1983. - xi, 211 p. ill. ; 24 cm. ISBN: 0442248377 Subjects--Index Terms: Polymers--Deterioration. Polymers--Degradation Deterioration of polymers Dewey Class. No.: 678.019 / KEL