** Zangl, L; Daill, D; Gessl, W; Friedrich, T; Koblmuller, S Austrian gudgeons of the genus Gobio (Teleostei: Gobionidae): A mixture of divergent lineages.
** Friedrich, T; Reinartz, R; Gessner, J Sturgeon re-introduction in the Upper and Middle Danube River Basin.
** Gessner, J; Friedrich, T; Rosenthal, H Summary report on the major topics addressed at ISS 8 (8(th) International Symposium on Sturgeons).
J APPL ICHTHYOL. 2019; 35(1): 4-10. WoS FullText FullText_BOKU** Friedrich, T; Wiesner, C; Zangl, L; Daill, D; Freyhof, J; Koblmuller, S Romanogobio skywalkeri, a new gudgeon (Teleostei: Gobionidae) from the upper Mur River, Austria.
ZOOTAXA. 2018; 4403(2): 336-350. WoS PubMed FullText FullText_BOKU** Schletterer, M; Kuzovlev, VV; Zhenikov, YN; Tuhtan, JA; Haidvogl, G; Friedrich, T; Gorski, K; Fureder, L Fish fauna and fisheries of large European rivers: examples from the Volga and the Danube.
HYDROBIOLOGIA. 2018; 814(1): 45-60. WoS FullText FullText_BOKU* Friedrich, T; Erhard, F; Pinter, K; Reckendorfer, W; Schmutz, S; Unfer, G (2018): Ökologische Sukzession der Fischfauna im neuen Traisen-Laufes in den Jahren 2014 bis 2017.
Österreichische Wasser- und Abfallwirtschaft, Vol. 70 5-6, 282-290; ISSN 0945-358X FullText* Govedic, M; Friedrich, T (2018): First review of recent records of sturgeons and paddlefishes (Acipenseriformes) in the Danube River basin in Slovenia. (EN) Prvi pregled recentnih podatkov o jesetrovkah (Acipenseriformes) iz donavskega porečja Slovenije..
Natura Sloveniae, 20 ( 2 ), 5-16; ISSN 1580-0814 FullTextFriedrich, T (2018): Danube Sturgeons: Past and Future.
In: Schmutz, S; Sendzimir, J (Eds.), Riverine Ecosystem Management - Science for Governing Towards a Sustainable Future 8, 507-518; Springer, Cham, Switzerland; ISBN ISBN 978-3-319-73249 FullText** Metcher, AH; Bakken, TH; Friedrich, T; Greimel, F; Humer, N; Schmutz, S; Zeiringer, B; Webb, JA Drawing together multiple lines of evidence from assessment studies of hydropeaking pressures in impacted rivers.
FRESHW SCI. 2017; 36(1): 220-230. WoS FullText FullText_BOKUGessner, J; Friedrich, T (2017): Sturgeon Identification Guide.
Bestimmungsschlüssel im Auftrag des World Wildlife Fund (WWF) für die georgische Fischereibehörde** Schmutz, S; Bakken, TH; Friedrich, T; Greimel, F; Harby, A; Jungwirth, M; Melcher, A; Unfer, G; Zeiringer, B Response of Fish Communities to Hydrological and Morphological Alterations in Hydropeaking Rivers of Austria.
RIVER RES APPL. 2015; 31(8): 919-930. WoS FullText FullText_BOKU* Weiperth, A; Csányi, B; György, Á. I; Szekeres, J; Friedrich, T; Szalóky, Z (2014): Observation of the sturgeon hybrid (Acipenser naccarii x Acipenser baerii) in the Hungarian section of River Danube.
Pisces Hungarici, 8/2014, 111-112Friedrich, T. (2013): Sturgeons in Austrian Rivers: Historic Distribution, Current Status and Potential for Restoration.
, 75, Books on Demand, Norderstedt; ISBN: 978-3-732231975
Friedrich, T.
(2012): Historical Distribution, current Situation and future Potential of Sturgeons in Austrian Rivers. .
[The 39th IAD Conference: Living Danube, Szentendre, HUNGARY, AUG 21-24,2012]
Friedrich, T; Melcher, A; Greimel, F; Unfer, ;, Schmutz, S; Zeiringer, B.
(2012): Hydropeaking in Alpine rivers and its effects on fish assemblages..
[9th International Symposium on Ecohydraulics, Vienna, AUSTRIA, 17.09.2012 - 21.09.2012]