Imran Ahmed and  Muhammad Islam and  Syed Inayat Ali Shah and  Awais Adnan,  A Real-Time Specific Weed Recognition System Using Statistical Methods.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2007, vol. 10(10). 2975 - 2981
    [viewed 18 October 2019]. Available from: https://publications.waset.org/pdf/9517.