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222 0 _aWorld list of future international meetings, part I: science, technology, agriculture, medicine
245 0 0 _aWorld list of future international meetings, part I: science, technology, agriculture, medicine
260 _awashington, d.c. :
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310 _aMensual
590 _a1966 once numeros
653 _aCIENCIAS EN GENERAL
653 _aBIBLIOGRAFIA; INDICES
785 0 0 _aworld list of future internat. meetings, part I: science, technology, agriculture, medicine; part II: social, cultural, commercial, humanistic
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