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ETUDE DES ELEMENTS NUTRITIFS MINERAUX DANS LA MESURE AUTOMATIQUE DE LA DBOHIGASHI K; OAZSA Y; NAKAGAWA Y et al.1976; BULL. GOVERNT INDUSTR. RES. INST.; JAP.; DA. 1976; VOL. 27; NO 2; PP. 116-120; ABS. ANGL.; BIBL. 6 REF.Article

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FELDVERSUCHE ZUR LANDWIRTSCHAFTLICHEN VERWERTUNG VON MECHANISCH ENTWAESSERTEM KLAERSCHLAMM = ESSAIS IN SITU D'UTILISATION AGRICOLE DE BOUES RESIDUAIRES APRES DESHYDRATATION MECANIQUEMOTTL W.1981; OESTERR. WASSERWIRTSCH.; ISSN 0029-9588; AUT; DA. 1981; VOL. 33; NO 3-4; PP. 64-68; ABS. ENG; BIBL. 8 REF.Article

SEASONAL FLUCTUATION OF THE PROPERTIES OF SEWAGE SLUDGEWONG MH; JIP SW.1980; RESOUR. RECOV. CONSERV.; ISSN 0304-3967; NLD; DA. 1980; VOL. 5; NO 3; PP. 279-284; BIBL. 11 REF.Article