27) Jasieńko J., Nowak T., Bednarz Ł. (2009) Reinforcement of bent timber beams in historie buildings. In: Mazzolani F.M., editor. Proceedings of the International Conference on Protection of Historical Buildings, Prohitech 09, Romę, Italy, 21-24 June 2009, pp. 325-330.
28) Jasieńko J., Bednarz Ł., Nowak T. (2009) The effectiveness of strengthening historie brick vaults by contemporary methods. In: Mazzolani F.M., editor. Proceedings of the International Conference on Protection of Historical Buildings, Prohitech 09, Romę, Italy, 21-24 June 2009, pp. 1299-1304
29) Jasieńko J., Nowak T., Bednarz Ł. (2009) Wzmacnianie zginanych litych belek drewnianych prętami i blachami stalowymi oraz materiałami CFRP. W: Drewno i materiały drewnopochodne w konstrukcjach budowlanych. Praca zbiorowa pod red. Z. Mielczarka,
PPH ZAPOL, Szczecin, pp. 73-85.
30) Jasieńko J., Engel L., Kondolewicz A. (2009) Structure and reconstruction problems during stabilization and presentation of ruins of stone structures with an example of "Lenno" castle in Wleń. Wiadomości Konserwatorskie 26, Journal of Heritage Conservation: 166-176.
31) Jasieńko J., Bednarz Ł., Nowak T. (2009) Analysis of the condition of preservation of wooden ceilings in the Leopoldina Assembly Hall at Wrocław University and in the building of the main railway station in Wrocław. Wiadomości Konserwatorskie 26, Journal of Heritage Conservation: 300-313.
32) Jasieńko J., Nowak T., Rapp P. (2009) Analysis of static work of wooden beams strengthened with CFRP strips. Wiadomości Konserwatorskie 26, Journal of Heritage Conservation: 314-324.
33) Jasieńko J., Kadłuczka A., Sroczyńska J. Kadłuczka K., Nowak T. (2009) The Holy Trinity Collegiate Church io Ołyka in Volhynia (Ukrainę) - records of preserved condition and maintenance problems. Wiadomości Konserwatorskie 26, Journal of Heritage Conservation: 427-436.
34) Jasieńko J., Di Tommaso A., Bednarz Ł. (2009) Experimental investigations into collapse of masonry arches reinforced using different compatible Technologies. In: Meccanica delle strutture in muratura rinforzate eon compositi: modellazione, sperimentazione, progetto, controllo. Atti del 3 Convegno Nazionale, Venezia, 22-24 Aprile 2009. Pitagora, Bologna, pp. 316-324.
35) Jasieńko J., Bednarz Ł. (2009) Innowacyjne technologie wzmacniania historycznych łuków i sklepień ceglanych. Materiały Budowlane 2: 23-26.
36) Jasieńko J., Kardysz M.; „Deformation and strength criteria in assesing mechanical behaviour of joints in historie timber structures. In.: Proceedings of the 16th International Conference: "From Materiał to Structure - Mechanical Behaviour and Failures of the Timber Structures". ICOMOS International Wood Committee, Florence- Venice - Vicenza, 2007