000 00462nam a22001457a 4500
008 230223b |||||||| |||| 00| 0 eng d
020 _a0713901926
040 _aNational Science Library
_cNational Science Library
080 _aD 007
_bL12
100 _aBertalanffy, Ludwig Von
_91245
245 _aGeneral system theory:
_bFoundations development applications
260 _aNew York:
_bLudwig von Bertalanffy,
_c1968
300 _axxii, 311p.
942 _2udc
_cBK
999 _c3585
_d3585