@misc {IOPORT.70764099,
    author       = {Ofigsb{\o}, Mona Holsve and Mj{\o}lsnes, Stig Fr. and Heegaard, Poul E. and Nilsen, Leif},
    title        = {Reducing the cost of certificate revocation: A case study},
    howpublished = {EuroPKI, 51-66 (2009).},
    year         = {2009},
    doi          = {10.1007/978-3-642-16441-5_4},
    identifier   = {70764099},
}