Generalized sum rule for thermal and residual stresses in axisymmetric glass articlesAben, Hillar; Ainola, LeoProceedings of the 3rd International Congress on Industrial and Applied Mathematics, Hamburg, 19951996 / 5, p. 3-4 Modern photoelasticity for residual stress measurement in glass articles of complicated shapeAben, Hillar; Anton, Johan; Puro, A.Fundamentals of glass science and technology1997 Technology of integrated photoelasticity for residual stress measurement in glass articles of axisymmetric shape = Integraalse fotoelastsuse tehnoloogia jääkpingete määramiseks telgsümmeetrilistes klaasobjektidesAnton, Johan2008 http://www.ester.ee/record=b2394498*est