TY  - DATA
AU  - Peter P. Chen, Jacky Akoka, Hannu Kangassalu, Bernhard Thalheim
TI  - Conceptual Modeling
SN  - 9783540488545
PY  - 1999///
PB  - Springer Berlin Heidelberg
KW  - Computer Science
UR  - https://doi.org/10.1007/3-540-48854-5
ER  -