On real and imaginary algorithms of optical tensor field tomographyAben, Hillar; Errapart, Andrei; Ainola, LeoProceedings of the Estonian Academy of Sciences. Physics. Mathematics2006 / 2, p. 112-127

On the optical theory of photoelastic tomographyAinola, Leo; Aben, HillarJournal of the Optical Society of America A, Optics image science and vision2004 / 6, p. 1093-1101

Optical tomography of the laser's Gaussian electric fieldAben, Hillar; Ainola, LeoOptics & laser technology2001 / p. 29-30 : ill

Photoelastic tomography for residual stress measurement in glassAben, Hillar; Errapart, Andrei; Ainola, Leo; Anton, JohanOptical metrology in production engineering2004 / p. 1-11

Photoelastic tomography in linear and non-linear approximation = Fotoelastsustomograafia lineaarses ja mittelineaarses lähendusesErrapart, Andrei2012 https://digi.lib.ttu.ee/i/?721

Photoelastic tomography in linear approximation [Electronic resource]Errapart, Andrei; Aben, Hillar; Ainola, LeoProceedings of the 2004 SEM X International Congress & Exposition on Experimental and Applied Mechanics2004 / [8] p. [CD-ROM]

The D-bar method for diffuse optical tomography : a computational studyTamminen, Janne Pertti Olavi; Tarvainen, T.; Siltanen, SamuliExperimental mathematics2017 / p. 225-240 : ill http://dx.doi.org/10.1080/10586458.2016.1157775