• Ergonomics slow down ageing and postpone ageing related diseasesKristjuhan, ÜloAgronomy research2014 / p. 875-880 https://www.cabidigitallibrary.org/doi/pdf/10.5555/20143202525 https://www.scopus.com/sourceid/21100201050 https://www.scopus.com/record/display.uri?eid=2-s2.0-84901477605&origin=inward&txGid=c3b4ef167024441ab892c688ce292076
• Theory of diminishing risks to age-related diseases and practica results [Electronic resource]Kristjuhan, Ülo6th International Conference Biosystems Engineering 2015 : 7-8 May 2015, Tartu, Estonia : book of abstracts2015 / p. 109. [CD-ROM] http://bse.emu.ee/BSE2015_Book%20of%20ABSTRACTS_ISBN.pdf
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• Workload and health of older academic personnel using telework [Electronic resource]Arvola, Rene; Kristjuhan, Ülo6th International Conference Biosystems Engineering 2015 : 7-8 May 2015, Tartu, Estonia : book of abstracts2015 / p. 105 [CD-ROM] http://bse.emu.ee/BSE2015_Book%20of%20ABSTRACTS_ISBN.pdf