• Composition of engineering drawing through communication skills and social/material interactions from the semiotic aspectLille, Harri; Ruus, AimeIOP conference series : materials science and engineering 4th International Conference on Innovative Materials, Structures and Technologies (IMST 2019) : 25–27 September 2019, Riga, Latvia2019 / art. 012011, 6 p https://doi.org/10.1088/1757-899X/660/1/012011 https://www.scopus.com/sourceid/19700200831 https://www.scopus.com/record/display.uri?eid=2-s2.0-85078321545&origin=inward&txGid=dd61109f1cf3322a6ce3c76fc17b35d5 https://www.webofscience.com/wos/woscc/full-record/WOS:000562127800011
• Composition of engineering drawing through communication skills and social/material interactions from the semiotic aspectLille, Harri; Ruus, Aime4th International Conference Innovative Materials, Structures and Technologies : IMST2019 : Organised by the Faculty of Civil Engineering, Riga, Latvia, 25–27 September 2019 : book of abstracts2019 / p. 30-31 https://dom.lndb.lv/data/obj/770639.html https://dom.lndb.lv/data/obj/file/27451559.pdf?attach=true