Biokütuste ja tuuleenergia alastest uuringutest Tallinna TehnikaülikoolisPaist, Aadu; Parve, Teet; Kask, Ülo; Nuutre, Maaris; Loosaar, Jüri; Veski, Ants; Pertmann, IndrekTeadusmõte Eestis. 4, Tehnikateadused. 22007 / lk. 113-120 : ill., fot Environmental effects of Pakri and Virtsu wind farms [Electronic resource]Pertmann, IndrekThe 6th Annual Conference of Young Scientists on Energy Issues : CYSENI 2009 : Kaunas, 28-29 May 2009 : conference proceedings2009 / ? p. [CD-ROM] Estonian wind farms' need for full balance powerPertmann, IndrekOil shale2011 / 1S, p. 193-202 : ill https://artiklid.elnet.ee/record=b2286642*est How important are the wind measurements and is it reasonable to save from wind measurements costs?Pertmann, Indrek4th International Symposium Topical Problems of Education in the Field of Electrical and Power Engineering. Doctoral School of Energy and Geotechnology : Kuressaare, Estonia, January 15-20, 20072007 / p. 161-163 : ill How to carry out correct wind measurements and what kind of problems may occur during the measurement periodPertmann, Indrek3rd International Symposium "Topical Problems of Education in the Field of Electrical and Power Engineering" : Doctoral School of Energy and Geotechnology : Kuressaare, Estonia, January 16-21, 20062006 / p. 164-166 : ill TuuleenergeetikaPertmann, Indrek; Selg, VelloKümme aastat Eesti Soojustehnikainseneride Seltsi 2000-20102010 / lk. 49-53 : ill Tuuleenergeetika arengust maailmas ning uuringutest Tallinna TehnikaülikoolisPertmann, Indrek; Selg, VelloKeskkonnatehnika2010 / 8, lk. 12-14 : ill Wind measurements in EstoniaPertmann, IndrekProceedings of CYSENI 2010 : the 7th Annual Conference of Young Scientists on Energy Issues : May 27-28, 2010, Kaunas, Lithuania2010 / p. 57-66 Wind turbine effects to the environment and peoplePertmann, Indrek5th International Symposium "Topical Problems in the Field of Electrical and Power Engineering". Doctoral School of Energy and Geotechnology : Kuressaare, January 14-19, 20082008 / p. 133-139 : ill