@phdthesis{
    NurmelaDoc,
    author = "Nurmela, Kari J.",
    school = "Helsinki University of Technology, Department of Computer Science and Engineering, Digital Systems Laboratory",
    title = "Constructing Spherical Codes by Global Optimization Methods",
    address = "Espoo, Finland",
    month = "November",
    year = "1997",
    owner = "MM",
    type = "Doctoral dissertation"
}