Reference:

Mariana Frank, Homayun Hamidian, and Kai Puolamäki. GUTs with gauge mediated supersymmetry breaking. Physics Letters B, 456(2–4):179–184, 1999.

Suggested BibTeX entry:

@article{Frank99plb,
    author = {Mariana Frank and Homayun Hamidian and Kai Puolam\"aki},
    journal = {Physics Letters B},
    number = {2--4},
    pages = {179--184},
    title = {$SO(10)$ {GUT}s with gauge mediated supersymmetry breaking},
    volume = {456},
    year = {1999},
}