Apportionment methods and the Liu-Layland problem. - Joanna Józefowska; Lukasz Józefowski; Wieslaw Kubiak (Eur. J. Oper. Res., 2009)

Controlling the Prediction Accuracy by Adjusting the Abstraction Levels. - Tomasz Lukaszewski; Joanna Józefowska; Agnieszka Lawrynowicz; Lukasz Józefowski; Andrzej Lisiecki (HAIS (1), 2011)