Boultadakis, G.E., Kalognomos, G.K., Karakasiliotis, A.V., Frangos, P.V. and Stergioulas, L.K. 2009. A Comparative Study of Bilinear Time–Frequency Transforms of ISAR Signals for Air Target Imaging. Elektronika ir Elektrotechnika. 92, 4 (Apr. 2009), 87-92.