Journal of the Korean Statistical Society
Journal of the Korean Statistical Society > 2010 > 39 > 2 > 251-267
Journal of the Korean Statistical Society > 2010 > 39 > 2 > 117-134
Journal of the Korean Statistical Society > 2010 > 39 > 2 > 251-267
Journal of the Korean Statistical Society > 2010 > 39 > 2 > 117-134