Natural Language Information Retrieval: TREC-8 Report. - Tomek Strzalkowski; Jose Perez Carballo; Jussi Karlgren; Anette Hulth; Pasi Tapanainen; Timo Lahtinen (TREC, 1999)

A Concept for Improving the Security and Efficiency of Multimodal Supply Chains. - Johan Scholliers; Sirra Toivonen; Antti Permala; Timo Lahtinen (Int. J. Appl. Logist., 2012)