Workshop on Informatina Systems and Artificial Intelligence.Workshop on Informatina Systems and Artificial Intelligence (1st : 1990 Ulm., FRG)：Informationa systems and artificial intelligence: integration aspects.Springer,1991.
Workshop on Informatina Systems and Artificial Intelligence (1st : 1990 Ulm., FRG)：Informationa systems and artificial intelligence: integration aspects
Workshop on Informatina Systems and Artificial Intelligence.Springer,1991.
