You seem to be attempting to access an item that has been removed from the repository.
There is a later version of the item you are trying to access:
Kammueller, Florian (2012) A security model for functional active objects. In: Communicability, computer graphics and innovative design for interactive systems. Francisco, Cipolla-Ficarra and Kim, Veltman and Miguel, Cipolla-Ficarra and Andreas, Kratky, eds. Lecture Notes in Computer Science (7545). Springer, Berlin, pp. 42-50. ISBN 9783642337598