000			00393nam a22001337a 4500
008			240911b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_aR 05:5/6(82)=60 K4
245			_aGuia de publicaciones periodicals cientificas y technicas
250			_a2nd ed.
260			_bBuenos Aires, _c1964
300			_a133p.
942			_2udc _cREF
999			_c67195 _d67195