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0200058226 20040729160450.0 s1977 ne a frb |100|||eng | 0444416536 : CNY4.80 NGL a640.8 International Geochemical Exploration Symposium (6th : 1976 : Sydney) 地球化学勘探(第6次国际地球化学勘探会议论文集). chi Geochemical exploration 1976 : proceedings of the 6th International Geochemical Exploration Symposium, held in Sydney, N.S.W., Australia, August 1976 during the 25th International Geological Congress / edited by C.R.M. Butt and I.G.P. Wilding. Amsterdam : Elsevier Scientific Pub. Co., 1977. x, 494 p. : ill. ; 25 cm. Developments in economic geology ; 9 no.6 Reprinted from the Journal of geochemical exploration, volume 8, no. 1/2. Includes bibliographical references. Mining engineering Congresses. aButt, C. R. M. ; aWilding, I. G. P. Association of Exploration Geochemists special publication ; no.6. NGL 400945,402946-7 640.8 G29/6 afqy b3 efqy0409