000 00776nam a22002177a 4500
008 230221b |||||||| |||| 00| 0 eng d
020 _a0-444-89507-8
022 _a0926-5473
040 _aNational Science Library
_cNational Science Library
080 _aD 002:681.32
_bN2
245 _aInformation system concepts:
_bImproving the understanding
_c/Proceedings of the IFIP TC8/WG 8.1 working conference on information system concepts:Improving the understanding
260 _aAmsterdam:
_bNorth-Holland,
_c1992
300 _ax, 296p.
650 _aInformation system
653 _aSemantic structures
653 _aMultilevel schemas
653 _aObject oriented
700 _aFalkenberg, Eckhard D
_e(Ed.)
700 _aRolland, Colette
_e(Ed.)
942 _2udc
_cPR
999 _c2717
_d2717