kw.\*:("1967-1981")
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DAS ABSAUGEN VON METHAN IM DEUTSCHEN STEINKOHLENBERGBAU IM JAHRE 1981 = METHANE COLLECTION IN GERMAN COAL MINES IN 1981 = LE CAPTAGE DU GRISON DANS L'INDUSTRIE HOUILLERE ALLEMANDE EN 1981VON TRESKOW A; FITZNER G.1982; GLUECKAUF (ESSEN); ISSN 0340-7896; DEU; DA. 1982; VOL. 118; NO 24; PP. 1237-1240; ABS. FREArticle
AN ANALYSIS OF GEOPOTENTIAL HEIGHT AT 300 MBAR IN THE FREQUENCY WAVENUMBER DOMAIN ALONG 50O N IN OBSERVED AND MODELLED JANUARY CLIMATEVON STORCH H; FISCHER I.1983; BEITRAEGE ZUR PHYSIK DER ATMOSPHAERE; ISSN 0005-8173; DEU; DA. 1983; VOL. 56; NO 2; PP. 199-212; ABS. GER/FRE; BIBL. 2 P.Article
PROJECTS UNDER CONSIDERATION IN PERU FOR INCREASING MINERAL PRODUCTION.1969; WORLD MING; USA; 1969(4), VOL. 22, NUM. 0004Miscellaneous
Fuel-efficient autos: progress and prognosisWHITFORD, R. K.Annual review of energy. 1984, Vol 9, pp 375-408, issn 0362-1626Article