Statistics in Transition new series
Statistics in Transition new series > 2011 > 12 > 3 > 587-594
Statistics in Transition new series > 2012 > 13 > 1 > 21-36
Statistics in Transition new series > 2011 > 12 > 3 > 587-594
Statistics in Transition new series > 2012 > 13 > 1 > 21-36