Sanjay Kumar Srivastava and  Anu Rani Sharma and  Kamna Sachdeva,  A Ground Observation Based Climatology of Winter Fog: Study over the Indo-Gangetic Plains, India.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2016, vol. 115(7). 742 - 753
    [viewed 11 May 2021]. Available from: https://publications.waset.org/pdf/10004884.