(2020). PVC degradation and stabilization / George Wypych.
Chicago-čujuhus (17. p.)PVC Degradation and Stabilization / George Wypych. 2020.
MLA-čujuhus (9. p.)PVC Degradation and Stabilization / George Wypych. 2020.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.