KOCH, W. and LEIPOLD, K.. "Programmschutz in Datenverarbeitungsanlagen/ Program protection in data processing systems"
it - Information Technology, vol. 7, no. 1-6, 1965, pp. 131-137.
https://doi.org/10.1524/itit.1965.7.16.131
KOCH, W. & LEIPOLD, K. (1965). Programmschutz in Datenverarbeitungsanlagen/ Program protection in data processing systems.
it - Information Technology,
7(1-6), 131-137.
https://doi.org/10.1524/itit.1965.7.16.131
KOCH, W. and LEIPOLD, K. (1965) Programmschutz in Datenverarbeitungsanlagen/ Program protection in data processing systems. it - Information Technology, Vol. 7 (Issue 1-6), pp. 131-137.
https://doi.org/10.1524/itit.1965.7.16.131
KOCH, W. and LEIPOLD, K.. "Programmschutz in Datenverarbeitungsanlagen/ Program protection in data processing systems"
it - Information Technology 7, no. 1-6 (1965): 131-137.
https://doi.org/10.1524/itit.1965.7.16.131
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