[1] Lorentz G G. A problem of plane measure. Amer J Math, 1949, 71: 417–426

[2] Gardner R J. X-rays of polygons. Discrete Comput Geom, 1992, 7: 281–293

[3] Kuba A, Volˇciˇc A. Characterization of measurable plane sets which are reconstructable from their two projections. Inverse Problems, 1988, 4: 513–527

[4] Takiguchi T. Reconstruction of the measurable sets in the two dimensional plane by two projections. Journal of Physics, Conference Series, 2007, 73: 012022

[5] Huang L, Takiguchi T. The reconstruction of uniquely determined plane sets from two projections. J Inv Ill-Posed Problems, 1998, 6: 217–242

[6] Kaneko A, Huang L. Reconstruction of plane figures from two projections//Herman G T, Kuba A, eds. Discrete Tomography. Boston: Birkhauser, 1999: 115–135

[7] Takiguchi T. Reconstruction of measurable plane sets from their orthogonal projections. Contemporary Mathematics, 2004, 348: 199–208