A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Gabor T. Herman. "Two direct methods for reconstructing pictures from their projections." Proceedings of the November 16-18, 1971, fall joint computer conference on - AFIPS '71 (Fall) (1971) 971-984