Reference:

Kai Puolamäki. Breaking of R-Parity and Supersymmetry in Supersymmetric Models. PhD thesis, University of Helsinki, 2001.

Suggested BibTeX entry:

@phdthesis{Puolamaki01phd,
    author = {Kai Puolam\"aki},
    school = {University of Helsinki},
    title = {Breaking of {R}-Parity and Supersymmetry in Supersymmetric Models},
    year = {2001},
}