[3]
Chikán Attila:
New results in inventory research. Proceedings of the Second [2.] International Symposium on Inventories, Budapest, 1982.
Budapest, 1984
[6]
Chikán Attila (szerk.):
Inventory in theory and practice: proceedings of the Third International Symposium on Iventories Budapest, Augt. 27-31, 1984
Budapest, 1986