Shuimiao Wan and Chao Yuan and Baoguang Tian, An Estimation of Variance Components in Linear Mixed Model. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. November 2015, vol. 108(12). 752 - 755 [viewed 23 September 2024]. Available from: https://publications.waset.org/pdf/10003235.