ESTCube-1 nanosatellite for electric solar wind sail in-orbit technology demonstrationLätt, Silver; Slavinskis, Andris; Ilbis, Erik; Vahter, Andres; Liias, Paul; Vahter, Toomas; Edvard, VeigoProceedings of the Estonian Academy of Sciences2014 / p. 200-209 : ill https://artiklid.elnet.ee/record=b2672246*est