WASET
    Hamed Masoumi and  Seyed Mohsen Safavi and  Zahra Khani,  Identification and Classification of Plastic Resins using Near Infrared Reflectance Spectroscopy.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 877 - 884
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/11237.