A SIMPLIFIED METHOD FOR DETERMINATION OF FLUORINE IN SILICATE ROCKS AND MINERALS.HETMAN JS.1977; BULL. CENTRE RECH. EXPLOR. PRODUCT. ELF-AQUITAINE; FR.; DA. 1977; VOL. 1; NO 2; PP. 495-510; ABS. FR.; BIBL. 3 REF.; 6 ILL.Article

PYROHYDROLYTIC-POTENTIOMETRIC DETERMINATION OF FLUORIDE IN SILICATE ROCKS AND MINERALSHETMAN JS.1975; BULL. CENTRE RECH. PAU; FR.; DA. 1975; VOL. 9; NO 1; PP. 183-190; BIBL. 9 REF.Article

APPLICATION OF THE POLAROGRAPHY TO WATER AND AIR POLLUTION CONTROL.HETMAN JS.1976; BULL. CENTRE RECH. PAU; FR.; 1976, VOL. 10, NUM. 0001, P. 67 A 82Serial Issue

OSCILLOPOLAROGRAPHIC DETERMINATION OF TIN IN ORES AND MINERALS.HETMAN JS.1971; BULL. CENTRES RECH. EXPLOR.-PRODUCT. ELF-AQUITAINE; FRA; 1971(6), VOL. 5, NUM. 0001, P. 153 A 159Miscellaneous

OXYGEN-BOMB COULOMETRIC DETERMINATION OF VANADIUM IN OILS.HETMAN JS.1971; BULL. CENTRES RECH. EXPLOR.-PRODUCT. ELF-AQUITAINE; FRA; 1971, VOL. 5, NUM. 0002, P. 333 A 336Miscellaneous

DOSAGE DE L'URANIUM DANS LES ROCHES PAR POLAROGRAPHIE OSCILLOGRAPHIQUE.HETMAN JS.1968; BULL. CENTRES RECH. EXPLOR.-PRODUCT. ELF-AQUITAINE; FRA; 1968(11), VOL. 2, NUM. 0002, P. 465 A 470Miscellaneous

FURTHER STUDIES ON POTENTIOMETRIC TITRATION OF IRON.HETMAN JS.1971; BULL. CENTRES RECH. EXPLOR.-PRODUCT. ELF-AQUITAINE; FRA; 1971, VOL. 5, NUM. 0002, P. 337 A 340Miscellaneous

DOSAGE SIMULTANE DU CUIVRE, DU PLOMB ET DU ZINC DANS LES ROCHES ET LES MINERAUX PAR POLAROGRAPHIE OSCILLOGRAPHIQUE ANODIQUE.HETMAN JS; PUYO M.1969; BULL. CENTRES RECH. EXPLOR.-PRODUCT. ELF-AQUITAINE; FRA; 1969(12), VOL. 3, NUM. 0002, P. 467 A 470Miscellaneous

DOSAGE COULOMETRIQUE DU SOUFRE DANS LES ROCHES ET LES PETROLES.HETMAN JS; PUYO M.1969; BULL. CENTRES RECH. EXPLOR.-PRODUCT. ELF-AQUITAINE; FRA; 1969, VOL. 3, NUM. 0001, P. 187 A 192Miscellaneous