000 00472nam a22001457a 4500
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040 _aNational Science Library
_cNational Science Library
080 _a537.86(082.2)
_bM7.1
245 _aUSRI Corsendonk conference
_c/ International Union of Radio Science
260 _aBelgium:
_bInternational Union of Radio Science,
_c1987
300 _a97p.
650 _aEducation
653 _aCommunication
942 _2udc
_cREP
999 _c24540
_d24540