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101|0 |▼aeng
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200|10|▼aInternational journal of sys-
   |  |tems science
207| 0|▼av.1 (1970)-
210|  |▼aLondon▼cTaylor & Francis Ltd.
530|0 |▼aInternational Journal of Sys-
   |  |tems Science
531|  |▼aInt. J. Syst. Sci.
541|1 |▼a（英）国际系统科学
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