DETERMINATION OF THALLIUM IN ROCK AND SOIL SAMPLES.BOHMER RG; PILLE P.1977; TALANTA; G.B.; DA. 1977; VOL. 24; NO 8; PP. 521-523; BIBL. 12 REF.Article

DETERMINATION OF TRACE AMOUNTS OF BERYLLIUM IN ROCKS BY ION EXCHANGE CHROMATOGRAPHY AND SPECTROPHOTOMETRY.STRELOW FWE; BOHMER RG; WEINERT CHSW et al.1976; ANAL. CHEM.; U.S.A.; DA. 1976; VOL. 48; NO 11; PP. 1550-1553; BIBL. 14 REF.; 5 ILL.Article

A SEMI-AUTOMATED PROCEDURE FOR THE DETERMINATION OF IODINE IN PLANT TISSUE AND SOIL EXTRACTS = PROCEDE SEMI-AUTOMATISE POUR LE DOSAGE DE L'IODE DANS LES TISSUS VEGETAUX ET EXTRAITS DE SOLSVAN VLIET H; BASSON WD; BOHMER RG et al.1975; ANALYST; G.B.; DA. 1975; VOL. 100; NO 1191; PP. 405-407; BIBL. 2REFArticle

ANALYSIS OF COPPER-BASE ALLOYS BY EMISSION SPECTROMETRY USING THE GLOW-DISCHARGE SOURCE.KRUGER RA; BUTLER LRP; LIEBENBERG CJ et al.1977; ANALYST; G.B.; DA. 1977; VOL. 102; NO 1221; PP. 949-954; BIBL. 9 REF.Article