@article{article, title  = {{Transition from circle packing to covering on a sphere: the odd case of 13 circles}},

 url = {{}},

 year = {{1999}},

 month = {{12}},

 author = {{Fowler PW and Tarnai T}},

 volume = {{455}},

 journal = {{P ROY SOC LOND A MAT}},

 issue = {{1992}},

 pages = {{4131-4143}},

 note = {{Accessed on 2024/12/22}}}