au.\*:("BETZ F JR")
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GEOLOGY PRESENTED IN COLLECTIONS OF PAPERS FROM THE PUBLISHED LITERATUREBETZ F JR; DOWDEN AM.1979; GEOSCIENCE INFORMATION. INTERNATIONAL CONFERENCE ON GEOLOGICAL INFORMATION. 1/1978/LONDON; GBR; HEATHFIELD: BROAD OAK PRESS; DA. 1979; PP. 247-264; BIBL. 1 P.Conference Paper
