1
Database systems. 5 : Informatiksymposium : Bad-Homburg-vor-der-Höhe, 24.09.75-26.09.75.
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Other Personal Name(s): ...Hasselmeier, H....
2
Rechnerstrukturen : Vortr. d. Informatik-Symposiums d. IBM Deutschland, Wildbad 1973 /
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Other Personal Name(s): ...Hasselmeier, H....