id: 60015237
dt: a
an: 60015237
au: Dittrich, Klaus R.; Gotthard, Willi; Lockemann, Peter C.
ti: Complex entities for engineering applications
so: Research Foundations in Object-Oriented and Semantic Database Systems,
    303-321 (1990).
py: 1990
pu: 
la: EN
cc: 
ut: 
ci: 
li: