Occasional publication
Swets & Zeitlinger
IFIP Administrative Data Processing Group (IAG). Occasional publication
I.A.G. Occasional publication
edited by Walter Goldberg ... [et al.]
Auerbach , Studentlitteratur c1971 Occasional publication no. 4
Available at 13 libraries
Swets & Zeitlinger 1969 Occasional publication no. 3
Available at 3 libraries
[by H. G. Derksen] ; translated from the original by J. J. C. Brouns
[IFIP Administrative Data Processing Group,] headquarters 1967 Occasional publication nr. 1
Available at 1 libraries