000 00479nam a22001697a 4500
008 230222b |||||||| |||| 00| 0 eng d
020 _a92-3-102138-9
040 _aNational Science Library
_cNational Science Library
080 _aD 005+519.711(042)
_bM4
245 _aSystems sciences and modelling
260 _aParis:
_bUNESCO,
_c1984
300 _axi, 159p.
650 _aSystem theory
653 _aMathematical models
700 _aRuberti, A (Ed.)
942 _2udc
_cBK
999 _c3144
_d3144