1. Achilles, D. s Die Fouriertransformation in der Signalverarbeitung. Springer Verlag, Berlin-Heidelberg-New York, 1978.
2. Advances in imaging instrumentation. Sem. Nucl. Med. 7, No. 4: 283–365, 1977.
3. Addendum to the APPLE PASCAL Operating System Reference Manual. APPLE Computer Inc., Part 031-0100-00, 1980.
4. Addendum to the APPLE PASCAL Language Reference Hanual. APPLE Computer Inc., Part 031-0101-00, 1980.
5. Ahlberg, J. H. The Theory of Splines and their applications. Academic Press New York, 1978.